Home / 10,079,421.60-15,119,132.40-8,903,690.40

Finding the Fourth Proportional to 10,079,421.60, 15,119,132.40 and 8,903,690.40

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Solution

The fourth proportional to 10,079,421.60, 15,119,132.40 and 8,903,690.40 is: 13,355,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079,421.60 : 15,119,132.40 = 8,903,690.40 : x
  2. Step 2: Convert to fraction form
    10,079,421.60/15,119,132.40 = 8,903,690.40/x
  3. Step 3: Cross multiply
    10,079,421.60x = 15,119,132.40 × 8,903,690.40
  4. Step 4: Simplify right side
    10,079,421.60x = 134,616,074,006,208.97
  5. Step 5: Solve for x
    x = 134,616,074,006,208.97/10,079,421.60
  6. Step 6: Final answer
    x = 13,355,535.60

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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.