Home / 15,527,057.19-21,426,464.53-8,557,713.62

Finding the Fourth Proportional to 15,527,057.19, 21,426,464.53 and 8,557,713.62

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Solution

The fourth proportional to 15,527,057.19, 21,426,464.53 and 8,557,713.62 is: 11,809,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,057.19 : 21,426,464.53 = 8,557,713.62 : x
  2. Step 2: Convert to fraction form
    15,527,057.19/21,426,464.53 = 8,557,713.62/x
  3. Step 3: Cross multiply
    15,527,057.19x = 21,426,464.53 × 8,557,713.62
  4. Step 4: Simplify right side
    15,527,057.19x = 183,361,547,441,229.12
  5. Step 5: Solve for x
    x = 183,361,547,441,229.12/15,527,057.19
  6. Step 6: Final answer
    x = 11,809,162.88

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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.