Home / 8,721,034.20-13,057,931.70-6,831,466.20

Finding the Fourth Proportional to 8,721,034.20, 13,057,931.70 and 6,831,466.20

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Solution

The fourth proportional to 8,721,034.20, 13,057,931.70 and 6,831,466.20 is: 10,228,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721,034.20 : 13,057,931.70 = 6,831,466.20 : x
  2. Step 2: Convert to fraction form
    8,721,034.20/13,057,931.70 = 6,831,466.20/x
  3. Step 3: Cross multiply
    8,721,034.20x = 13,057,931.70 × 6,831,466.20
  4. Step 4: Simplify right side
    8,721,034.20x = 89,204,819,050,458.53
  5. Step 5: Solve for x
    x = 89,204,819,050,458.53/8,721,034.20
  6. Step 6: Final answer
    x = 10,228,697.31

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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.