Home / 10,497,957.60-15,746,936.40-5,189,541.60

Finding the Fourth Proportional to 10,497,957.60, 15,746,936.40 and 5,189,541.60

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Solution

The fourth proportional to 10,497,957.60, 15,746,936.40 and 5,189,541.60 is: 7,784,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,497,957.60 : 15,746,936.40 = 5,189,541.60 : x
  2. Step 2: Convert to fraction form
    10,497,957.60/15,746,936.40 = 5,189,541.60/x
  3. Step 3: Cross multiply
    10,497,957.60x = 15,746,936.40 × 5,189,541.60
  4. Step 4: Simplify right side
    10,497,957.60x = 81,719,381,520,354.23
  5. Step 5: Solve for x
    x = 81,719,381,520,354.23/10,497,957.60
  6. Step 6: Final answer
    x = 7,784,312.40

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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.