Home / 10,656,463.80-15,984,695.70-6,830,088.60

Finding the Fourth Proportional to 10,656,463.80, 15,984,695.70 and 6,830,088.60

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Solution

The fourth proportional to 10,656,463.80, 15,984,695.70 and 6,830,088.60 is: 10,245,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,463.80 : 15,984,695.70 = 6,830,088.60 : x
  2. Step 2: Convert to fraction form
    10,656,463.80/15,984,695.70 = 6,830,088.60/x
  3. Step 3: Cross multiply
    10,656,463.80x = 15,984,695.70 × 6,830,088.60
  4. Step 4: Simplify right side
    10,656,463.80x = 109,176,887,875,039.02
  5. Step 5: Solve for x
    x = 109,176,887,875,039.02/10,656,463.80
  6. Step 6: Final answer
    x = 10,245,132.90

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Double scale
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Similar ratio
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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.