Home / 8,742,001.70-13,113,002.55-8,182,129.70

Finding the Fourth Proportional to 8,742,001.70, 13,113,002.55 and 8,182,129.70

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Solution

The fourth proportional to 8,742,001.70, 13,113,002.55 and 8,182,129.70 is: 12,273,194.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,001.70 : 13,113,002.55 = 8,182,129.70 : x
  2. Step 2: Convert to fraction form
    8,742,001.70/13,113,002.55 = 8,182,129.70/x
  3. Step 3: Cross multiply
    8,742,001.70x = 13,113,002.55 × 8,182,129.70
  4. Step 4: Simplify right side
    8,742,001.70x = 107,292,287,620,530.75
  5. Step 5: Solve for x
    x = 107,292,287,620,530.75/8,742,001.70
  6. Step 6: Final answer
    x = 12,273,194.55

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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.