Home / 12,425,465.76-17,152,433.28-8,353,446.72

Finding the Fourth Proportional to 12,425,465.76, 17,152,433.28 and 8,353,446.72

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Solution

The fourth proportional to 12,425,465.76, 17,152,433.28 and 8,353,446.72 is: 11,531,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,465.76 : 17,152,433.28 = 8,353,446.72 : x
  2. Step 2: Convert to fraction form
    12,425,465.76/17,152,433.28 = 8,353,446.72/x
  3. Step 3: Cross multiply
    12,425,465.76x = 17,152,433.28 × 8,353,446.72
  4. Step 4: Simplify right side
    12,425,465.76x = 143,281,937,522,834.84
  5. Step 5: Solve for x
    x = 143,281,937,522,834.84/12,425,465.76
  6. Step 6: Final answer
    x = 11,531,313.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.