Home / 8,764,877.40-13,147,316.10-8,127,148.20

Finding the Fourth Proportional to 8,764,877.40, 13,147,316.10 and 8,127,148.20

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Solution

The fourth proportional to 8,764,877.40, 13,147,316.10 and 8,127,148.20 is: 12,190,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,877.40 : 13,147,316.10 = 8,127,148.20 : x
  2. Step 2: Convert to fraction form
    8,764,877.40/13,147,316.10 = 8,127,148.20/x
  3. Step 3: Cross multiply
    8,764,877.40x = 13,147,316.10 × 8,127,148.20
  4. Step 4: Simplify right side
    8,764,877.40x = 106,850,186,376,946.02
  5. Step 5: Solve for x
    x = 106,850,186,376,946.02/8,764,877.40
  6. Step 6: Final answer
    x = 12,190,722.30

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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.