Home / 7,020,472.60-10,509,713.70-6,605,234.20

Finding the Fourth Proportional to 7,020,472.60, 10,509,713.70 and 6,605,234.20

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Solution

The fourth proportional to 7,020,472.60, 10,509,713.70 and 6,605,234.20 is: 9,888,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,472.60 : 10,509,713.70 = 6,605,234.20 : x
  2. Step 2: Convert to fraction form
    7,020,472.60/10,509,713.70 = 6,605,234.20/x
  3. Step 3: Cross multiply
    7,020,472.60x = 10,509,713.70 × 6,605,234.20
  4. Step 4: Simplify right side
    7,020,472.60x = 69,419,120,363,448.54
  5. Step 5: Solve for x
    x = 69,419,120,363,448.54/7,020,472.60
  6. Step 6: Final answer
    x = 9,888,097.90

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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.