Home / 7,792,004.20-11,688,006.30-4,390,781.80

Finding the Fourth Proportional to 7,792,004.20, 11,688,006.30 and 4,390,781.80

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Solution

The fourth proportional to 7,792,004.20, 11,688,006.30 and 4,390,781.80 is: 6,586,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792,004.20 : 11,688,006.30 = 4,390,781.80 : x
  2. Step 2: Convert to fraction form
    7,792,004.20/11,688,006.30 = 4,390,781.80/x
  3. Step 3: Cross multiply
    7,792,004.20x = 11,688,006.30 × 4,390,781.80
  4. Step 4: Simplify right side
    7,792,004.20x = 51,319,485,340,325.34
  5. Step 5: Solve for x
    x = 51,319,485,340,325.34/7,792,004.20
  6. Step 6: Final answer
    x = 6,586,172.70

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Similar ratio
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1.5x scale

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.