Home / 45,334,937.10-68,003,143.79-12,986,713.92

Finding the Fourth Proportional to 45,334,937.10, 68,003,143.79 and 12,986,713.92

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Solution

The fourth proportional to 45,334,937.10, 68,003,143.79 and 12,986,713.92 is: 19,480,282.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,334,937.10 : 68,003,143.79 = 12,986,713.92 : x
  2. Step 2: Convert to fraction form
    45,334,937.10/68,003,143.79 = 12,986,713.92/x
  3. Step 3: Cross multiply
    45,334,937.10x = 68,003,143.79 × 12,986,713.92
  4. Step 4: Simplify right side
    45,334,937.10x = 883,137,373,996,420.88
  5. Step 5: Solve for x
    x = 883,137,373,996,420.88/45,334,937.10
  6. Step 6: Final answer
    x = 19,480,282.33

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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.