Home / 12,097,158.60-18,145,737.90-8,506,979.40

Finding the Fourth Proportional to 12,097,158.60, 18,145,737.90 and 8,506,979.40

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Solution

The fourth proportional to 12,097,158.60, 18,145,737.90 and 8,506,979.40 is: 12,760,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,158.60 : 18,145,737.90 = 8,506,979.40 : x
  2. Step 2: Convert to fraction form
    12,097,158.60/18,145,737.90 = 8,506,979.40/x
  3. Step 3: Cross multiply
    12,097,158.60x = 18,145,737.90 × 8,506,979.40
  4. Step 4: Simplify right side
    12,097,158.60x = 154,365,418,513,099.25
  5. Step 5: Solve for x
    x = 154,365,418,513,099.25/12,097,158.60
  6. Step 6: Final answer
    x = 12,760,469.10

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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.