Home / 9,766,792.80-14,650,189.20-4,989,218.40

Finding the Fourth Proportional to 9,766,792.80, 14,650,189.20 and 4,989,218.40

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Solution

The fourth proportional to 9,766,792.80, 14,650,189.20 and 4,989,218.40 is: 7,483,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766,792.80 : 14,650,189.20 = 4,989,218.40 : x
  2. Step 2: Convert to fraction form
    9,766,792.80/14,650,189.20 = 4,989,218.40/x
  3. Step 3: Cross multiply
    9,766,792.80x = 14,650,189.20 × 4,989,218.40
  4. Step 4: Simplify right side
    9,766,792.80x = 73,092,993,520,121.28
  5. Step 5: Solve for x
    x = 73,092,993,520,121.28/9,766,792.80
  6. Step 6: Final answer
    x = 7,483,827.60

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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.