Home / 15,293,743.94-21,107,382.18-9,182,566.10

Finding the Fourth Proportional to 15,293,743.94, 21,107,382.18 and 9,182,566.10

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Solution

The fourth proportional to 15,293,743.94, 21,107,382.18 and 9,182,566.10 is: 12,673,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293,743.94 : 21,107,382.18 = 9,182,566.10 : x
  2. Step 2: Convert to fraction form
    15,293,743.94/21,107,382.18 = 9,182,566.10/x
  3. Step 3: Cross multiply
    15,293,743.94x = 21,107,382.18 × 9,182,566.10
  4. Step 4: Simplify right side
    15,293,743.94x = 193,819,932,065,812.09
  5. Step 5: Solve for x
    x = 193,819,932,065,812.09/15,293,743.94
  6. Step 6: Final answer
    x = 12,673,151.38

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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.