Home / 8,692,001.70-13,038,002.55-5,099,489.70

Finding the Fourth Proportional to 8,692,001.70, 13,038,002.55 and 5,099,489.70

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Solution

The fourth proportional to 8,692,001.70, 13,038,002.55 and 5,099,489.70 is: 7,649,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692,001.70 : 13,038,002.55 = 5,099,489.70 : x
  2. Step 2: Convert to fraction form
    8,692,001.70/13,038,002.55 = 5,099,489.70/x
  3. Step 3: Cross multiply
    8,692,001.70x = 13,038,002.55 × 5,099,489.70
  4. Step 4: Simplify right side
    8,692,001.70x = 66,487,159,712,298.74
  5. Step 5: Solve for x
    x = 66,487,159,712,298.74/8,692,001.70
  6. Step 6: Final answer
    x = 7,649,234.55

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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.