Home / 15,482,150.16-21,365,523-8,513,195.28

Finding the Fourth Proportional to 15,482,150.16, 21,365,523 and 8,513,195.28

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Solution

The fourth proportional to 15,482,150.16, 21,365,523 and 8,513,195.28 is: 11,748,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,482,150.16 : 21,365,523 = 8,513,195.28 : x
  2. Step 2: Convert to fraction form
    15,482,150.16/21,365,523 = 8,513,195.28/x
  3. Step 3: Cross multiply
    15,482,150.16x = 21,365,523 × 8,513,195.28
  4. Step 4: Simplify right side
    15,482,150.16x = 181,888,869,558,331.44
  5. Step 5: Solve for x
    x = 181,888,869,558,331.44/15,482,150.16
  6. Step 6: Final answer
    x = 11,748,295.14

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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.