Home / 21,398,320.08-32,102,249.40-10,032,711.12

Finding the Fourth Proportional to 21,398,320.08, 32,102,249.40 and 10,032,711.12

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Solution

The fourth proportional to 21,398,320.08, 32,102,249.40 and 10,032,711.12 is: 15,051,302.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,398,320.08 : 32,102,249.40 = 10,032,711.12 : x
  2. Step 2: Convert to fraction form
    21,398,320.08/32,102,249.40 = 10,032,711.12/x
  3. Step 3: Cross multiply
    21,398,320.08x = 32,102,249.40 × 10,032,711.12
  4. Step 4: Simplify right side
    21,398,320.08x = 322,072,594,532,393.31
  5. Step 5: Solve for x
    x = 322,072,594,532,393.31/21,398,320.08
  6. Step 6: Final answer
    x = 15,051,302.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.