Home / 7,001,385.30-10,509,951.15-5,410,998.90

Finding the Fourth Proportional to 7,001,385.30, 10,509,951.15 and 5,410,998.90

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Solution

The fourth proportional to 7,001,385.30, 10,509,951.15 and 5,410,998.90 is: 8,122,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001,385.30 : 10,509,951.15 = 5,410,998.90 : x
  2. Step 2: Convert to fraction form
    7,001,385.30/10,509,951.15 = 5,410,998.90/x
  3. Step 3: Cross multiply
    7,001,385.30x = 10,509,951.15 × 5,410,998.90
  4. Step 4: Simplify right side
    7,001,385.30x = 56,869,334,111,703.74
  5. Step 5: Solve for x
    x = 56,869,334,111,703.74/7,001,385.30
  6. Step 6: Final answer
    x = 8,122,583.13

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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.