Home / 21,342,470.20-32,013,705.30-19,578,873.40

Finding the Fourth Proportional to 21,342,470.20, 32,013,705.30 and 19,578,873.40

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Solution

The fourth proportional to 21,342,470.20, 32,013,705.30 and 19,578,873.40 is: 29,368,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342,470.20 : 32,013,705.30 = 19,578,873.40 : x
  2. Step 2: Convert to fraction form
    21,342,470.20/32,013,705.30 = 19,578,873.40/x
  3. Step 3: Cross multiply
    21,342,470.20x = 32,013,705.30 × 19,578,873.40
  4. Step 4: Simplify right side
    21,342,470.20x = 626,792,283,133,609
  5. Step 5: Solve for x
    x = 626,792,283,133,609/21,342,470.20
  6. Step 6: Final answer
    x = 29,368,310.10

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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.