Home / 12,949,544.70-19,424,317.05-4,429,122.30

Finding the Fourth Proportional to 12,949,544.70, 19,424,317.05 and 4,429,122.30

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Solution

The fourth proportional to 12,949,544.70, 19,424,317.05 and 4,429,122.30 is: 6,643,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,544.70 : 19,424,317.05 = 4,429,122.30 : x
  2. Step 2: Convert to fraction form
    12,949,544.70/19,424,317.05 = 4,429,122.30/x
  3. Step 3: Cross multiply
    12,949,544.70x = 19,424,317.05 × 4,429,122.30
  4. Step 4: Simplify right side
    12,949,544.70x = 86,032,675,808,425.22
  5. Step 5: Solve for x
    x = 86,032,675,808,425.22/12,949,544.70
  6. Step 6: Final answer
    x = 6,643,683.45

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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.