Home / 12,260,880.60-18,359,828.10-9,720,461.40

Finding the Fourth Proportional to 12,260,880.60, 18,359,828.10 and 9,720,461.40

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Solution

The fourth proportional to 12,260,880.60, 18,359,828.10 and 9,720,461.40 is: 14,555,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,880.60 : 18,359,828.10 = 9,720,461.40 : x
  2. Step 2: Convert to fraction form
    12,260,880.60/18,359,828.10 = 9,720,461.40/x
  3. Step 3: Cross multiply
    12,260,880.60x = 18,359,828.10 × 9,720,461.40
  4. Step 4: Simplify right side
    12,260,880.60x = 178,466,000,356,685.38
  5. Step 5: Solve for x
    x = 178,466,000,356,685.38/12,260,880.60
  6. Step 6: Final answer
    x = 14,555,724.52

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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.