Home / 45,791,587.47-68,689,999.57-12,999,591.41

Finding the Fourth Proportional to 45,791,587.47, 68,689,999.57 and 12,999,591.41

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Solution

The fourth proportional to 45,791,587.47, 68,689,999.57 and 12,999,591.41 is: 19,500,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,791,587.47 : 68,689,999.57 = 12,999,591.41 : x
  2. Step 2: Convert to fraction form
    45,791,587.47/68,689,999.57 = 12,999,591.41/x
  3. Step 3: Cross multiply
    45,791,587.47x = 68,689,999.57 × 12,999,591.41
  4. Step 4: Simplify right side
    45,791,587.47x = 892,941,928,293,462.75
  5. Step 5: Solve for x
    x = 892,941,928,293,462.75/45,791,587.47
  6. Step 6: Final answer
    x = 19,500,130.43

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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.