Home / 15,293,742.94-21,107,380.80-9,182,565.10

Finding the Fourth Proportional to 15,293,742.94, 21,107,380.80 and 9,182,565.10

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Solution

The fourth proportional to 15,293,742.94, 21,107,380.80 and 9,182,565.10 is: 12,673,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,293,742.94 : 21,107,380.80 = 9,182,565.10 : x
  2. Step 2: Convert to fraction form
    15,293,742.94/21,107,380.80 = 9,182,565.10/x
  3. Step 3: Cross multiply
    15,293,742.94x = 21,107,380.80 × 9,182,565.10
  4. Step 4: Simplify right side
    15,293,742.94x = 193,819,898,295,647.81
  5. Step 5: Solve for x
    x = 193,819,898,295,647.81/15,293,742.94
  6. Step 6: Final answer
    x = 12,673,150.00

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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.