Home / 8,889,761.20-13,334,641.80-8,541,396.40

Finding the Fourth Proportional to 8,889,761.20, 13,334,641.80 and 8,541,396.40

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Solution

The fourth proportional to 8,889,761.20, 13,334,641.80 and 8,541,396.40 is: 12,812,094.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,761.20 : 13,334,641.80 = 8,541,396.40 : x
  2. Step 2: Convert to fraction form
    8,889,761.20/13,334,641.80 = 8,541,396.40/x
  3. Step 3: Cross multiply
    8,889,761.20x = 13,334,641.80 × 8,541,396.40
  4. Step 4: Simplify right side
    8,889,761.20x = 113,896,461,465,809.53
  5. Step 5: Solve for x
    x = 113,896,461,465,809.53/8,889,761.20
  6. Step 6: Final answer
    x = 12,812,094.60

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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.