Home / 21,440,545.83-32,158,159.48-12,692,030.06

Finding the Fourth Proportional to 21,440,545.83, 32,158,159.48 and 12,692,030.06

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Solution

The fourth proportional to 21,440,545.83, 32,158,159.48 and 12,692,030.06 is: 19,036,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,440,545.83 : 32,158,159.48 = 12,692,030.06 : x
  2. Step 2: Convert to fraction form
    21,440,545.83/32,158,159.48 = 12,692,030.06/x
  3. Step 3: Cross multiply
    21,440,545.83x = 32,158,159.48 × 12,692,030.06
  4. Step 4: Simplify right side
    21,440,545.83x = 408,152,326,890,694.38
  5. Step 5: Solve for x
    x = 408,152,326,890,694.38/21,440,545.83
  6. Step 6: Final answer
    x = 19,036,470.91

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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.