Home / 11,220,681.80-16,789,032.30-7,441,545.80

Finding the Fourth Proportional to 11,220,681.80, 16,789,032.30 and 7,441,545.80

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Solution

The fourth proportional to 11,220,681.80, 16,789,032.30 and 7,441,545.80 is: 11,134,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,220,681.80 : 16,789,032.30 = 7,441,545.80 : x
  2. Step 2: Convert to fraction form
    11,220,681.80/16,789,032.30 = 7,441,545.80/x
  3. Step 3: Cross multiply
    11,220,681.80x = 16,789,032.30 × 7,441,545.80
  4. Step 4: Simplify right side
    11,220,681.80x = 124,936,352,798,129.34
  5. Step 5: Solve for x
    x = 124,936,352,798,129.34/11,220,681.80
  6. Step 6: Final answer
    x = 11,134,470.71

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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.