Home / 9,766,780.80-14,650,171.20-4,989,206.40

Finding the Fourth Proportional to 9,766,780.80, 14,650,171.20 and 4,989,206.40

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Solution

The fourth proportional to 9,766,780.80, 14,650,171.20 and 4,989,206.40 is: 7,483,809.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766,780.80 : 14,650,171.20 = 4,989,206.40 : x
  2. Step 2: Convert to fraction form
    9,766,780.80/14,650,171.20 = 4,989,206.40/x
  3. Step 3: Cross multiply
    9,766,780.80x = 14,650,171.20 × 4,989,206.40
  4. Step 4: Simplify right side
    9,766,780.80x = 73,092,727,912,135.69
  5. Step 5: Solve for x
    x = 73,092,727,912,135.69/9,766,780.80
  6. Step 6: Final answer
    x = 7,483,809.60

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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.