Home / 9,308,986.70-13,963,480.05-8,637,140.30

Finding the Fourth Proportional to 9,308,986.70, 13,963,480.05 and 8,637,140.30

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Solution

The fourth proportional to 9,308,986.70, 13,963,480.05 and 8,637,140.30 is: 12,955,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308,986.70 : 13,963,480.05 = 8,637,140.30 : x
  2. Step 2: Convert to fraction form
    9,308,986.70/13,963,480.05 = 8,637,140.30/x
  3. Step 3: Cross multiply
    9,308,986.70x = 13,963,480.05 × 8,637,140.30
  4. Step 4: Simplify right side
    9,308,986.70x = 120,604,536,268,101.03
  5. Step 5: Solve for x
    x = 120,604,536,268,101.03/9,308,986.70
  6. Step 6: Final answer
    x = 12,955,710.45

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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.