Home / 10,136,542.71-13,988,317.55-5,490,212.25

Finding the Fourth Proportional to 10,136,542.71, 13,988,317.55 and 5,490,212.25

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Solution

The fourth proportional to 10,136,542.71, 13,988,317.55 and 5,490,212.25 is: 7,576,432.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,542.71 : 13,988,317.55 = 5,490,212.25 : x
  2. Step 2: Convert to fraction form
    10,136,542.71/13,988,317.55 = 5,490,212.25/x
  3. Step 3: Cross multiply
    10,136,542.71x = 13,988,317.55 × 5,490,212.25
  4. Step 4: Simplify right side
    10,136,542.71x = 76,798,832,342,448.92
  5. Step 5: Solve for x
    x = 76,798,832,342,448.92/10,136,542.71
  6. Step 6: Final answer
    x = 7,576,432.57

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.