Home / 19,955,435.40-29,933,153.10-15,172,466.40

Finding the Fourth Proportional to 19,955,435.40, 29,933,153.10 and 15,172,466.40

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Solution

The fourth proportional to 19,955,435.40, 29,933,153.10 and 15,172,466.40 is: 22,758,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955,435.40 : 29,933,153.10 = 15,172,466.40 : x
  2. Step 2: Convert to fraction form
    19,955,435.40/29,933,153.10 = 15,172,466.40/x
  3. Step 3: Cross multiply
    19,955,435.40x = 29,933,153.10 × 15,172,466.40
  4. Step 4: Simplify right side
    19,955,435.40x = 454,159,759,655,805.88
  5. Step 5: Solve for x
    x = 454,159,759,655,805.88/19,955,435.40
  6. Step 6: Final answer
    x = 22,758,699.60

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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.