Home / 12,346,099.80-18,512,928.90-7,298,957.40

Finding the Fourth Proportional to 12,346,099.80, 18,512,928.90 and 7,298,957.40

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Solution

The fourth proportional to 12,346,099.80, 18,512,928.90 and 7,298,957.40 is: 10,944,758.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,099.80 : 18,512,928.90 = 7,298,957.40 : x
  2. Step 2: Convert to fraction form
    12,346,099.80/18,512,928.90 = 7,298,957.40/x
  3. Step 3: Cross multiply
    12,346,099.80x = 18,512,928.90 × 7,298,957.40
  4. Step 4: Simplify right side
    12,346,099.80x = 135,125,079,390,328.86
  5. Step 5: Solve for x
    x = 135,125,079,390,328.86/12,346,099.80
  6. Step 6: Final answer
    x = 10,944,758.39

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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.