Home / 15,513,350.39-21,406,839.26-9,551,810.51

Finding the Fourth Proportional to 15,513,350.39, 21,406,839.26 and 9,551,810.51

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Solution

The fourth proportional to 15,513,350.39, 21,406,839.26 and 9,551,810.51 is: 13,180,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513,350.39 : 21,406,839.26 = 9,551,810.51 : x
  2. Step 2: Convert to fraction form
    15,513,350.39/21,406,839.26 = 9,551,810.51/x
  3. Step 3: Cross multiply
    15,513,350.39x = 21,406,839.26 × 9,551,810.51
  4. Step 4: Simplify right side
    15,513,350.39x = 204,474,072,074,755.38
  5. Step 5: Solve for x
    x = 204,474,072,074,755.38/15,513,350.39
  6. Step 6: Final answer
    x = 13,180,523.03

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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.