Home / 13,342,151.16-18,373,981.80-12,510,767.70

Finding the Fourth Proportional to 13,342,151.16, 18,373,981.80 and 12,510,767.70

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Solution

The fourth proportional to 13,342,151.16, 18,373,981.80 and 12,510,767.70 is: 17,229,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,151.16 : 18,373,981.80 = 12,510,767.70 : x
  2. Step 2: Convert to fraction form
    13,342,151.16/18,373,981.80 = 12,510,767.70/x
  3. Step 3: Cross multiply
    13,342,151.16x = 18,373,981.80 × 12,510,767.70
  4. Step 4: Simplify right side
    13,342,151.16x = 229,872,618,023,827.84
  5. Step 5: Solve for x
    x = 229,872,618,023,827.84/13,342,151.16
  6. Step 6: Final answer
    x = 17,229,052.14

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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.