Home / 9,792,142.20-14,688,213.30-9,128,590.20

Finding the Fourth Proportional to 9,792,142.20, 14,688,213.30 and 9,128,590.20

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Solution

The fourth proportional to 9,792,142.20, 14,688,213.30 and 9,128,590.20 is: 13,692,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792,142.20 : 14,688,213.30 = 9,128,590.20 : x
  2. Step 2: Convert to fraction form
    9,792,142.20/14,688,213.30 = 9,128,590.20/x
  3. Step 3: Cross multiply
    9,792,142.20x = 14,688,213.30 × 9,128,590.20
  4. Step 4: Simplify right side
    9,792,142.20x = 134,082,679,985,889.66
  5. Step 5: Solve for x
    x = 134,082,679,985,889.66/9,792,142.20
  6. Step 6: Final answer
    x = 13,692,885.30

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Double scale
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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.