Home / 21,730,208.40-29,985,932.28-12,563,442

Finding the Fourth Proportional to 21,730,208.40, 29,985,932.28 and 12,563,442

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Solution

The fourth proportional to 21,730,208.40, 29,985,932.28 and 12,563,442 is: 17,336,535.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,730,208.40 : 29,985,932.28 = 12,563,442 : x
  2. Step 2: Convert to fraction form
    21,730,208.40/29,985,932.28 = 12,563,442/x
  3. Step 3: Cross multiply
    21,730,208.40x = 29,985,932.28 × 12,563,442
  4. Step 4: Simplify right side
    21,730,208.40x = 376,726,521,015,707.75
  5. Step 5: Solve for x
    x = 376,726,521,015,707.75/21,730,208.40
  6. Step 6: Final answer
    x = 17,336,535.12

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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.