Home / 13,249,480.40-19,874,220.60-11,123,716.40

Finding the Fourth Proportional to 13,249,480.40, 19,874,220.60 and 11,123,716.40

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Solution

The fourth proportional to 13,249,480.40, 19,874,220.60 and 11,123,716.40 is: 16,685,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249,480.40 : 19,874,220.60 = 11,123,716.40 : x
  2. Step 2: Convert to fraction form
    13,249,480.40/19,874,220.60 = 11,123,716.40/x
  3. Step 3: Cross multiply
    13,249,480.40x = 19,874,220.60 × 11,123,716.40
  4. Step 4: Simplify right side
    13,249,480.40x = 221,075,193,625,437.88
  5. Step 5: Solve for x
    x = 221,075,193,625,437.88/13,249,480.40
  6. Step 6: Final answer
    x = 16,685,574.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.