Home / 16,839,353.79-23,236,572.93-12,431,423.86

Finding the Fourth Proportional to 16,839,353.79, 23,236,572.93 and 12,431,423.86

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Solution

The fourth proportional to 16,839,353.79, 23,236,572.93 and 12,431,423.86 is: 17,154,083.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,839,353.79 : 23,236,572.93 = 12,431,423.86 : x
  2. Step 2: Convert to fraction form
    16,839,353.79/23,236,572.93 = 12,431,423.86/x
  3. Step 3: Cross multiply
    16,839,353.79x = 23,236,572.93 × 12,431,423.86
  4. Step 4: Simplify right side
    16,839,353.79x = 288,863,687,146,632.06
  5. Step 5: Solve for x
    x = 288,863,687,146,632.06/16,839,353.79
  6. Step 6: Final answer
    x = 17,154,083.87

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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.