Home / 10,377,220.30-15,565,830.45-9,789,354.70

Finding the Fourth Proportional to 10,377,220.30, 15,565,830.45 and 9,789,354.70

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Solution

The fourth proportional to 10,377,220.30, 15,565,830.45 and 9,789,354.70 is: 14,684,032.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,220.30 : 15,565,830.45 = 9,789,354.70 : x
  2. Step 2: Convert to fraction form
    10,377,220.30/15,565,830.45 = 9,789,354.70/x
  3. Step 3: Cross multiply
    10,377,220.30x = 15,565,830.45 × 9,789,354.70
  4. Step 4: Simplify right side
    10,377,220.30x = 152,379,435,475,110.59
  5. Step 5: Solve for x
    x = 152,379,435,475,110.59/10,377,220.30
  6. Step 6: Final answer
    x = 14,684,032.05

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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.