Home / 45,219,844.65-67,830,177.02-12,871,734.46

Finding the Fourth Proportional to 45,219,844.65, 67,830,177.02 and 12,871,734.46

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Solution

The fourth proportional to 45,219,844.65, 67,830,177.02 and 12,871,734.46 is: 19,307,718.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219,844.65 : 67,830,177.02 = 12,871,734.46 : x
  2. Step 2: Convert to fraction form
    45,219,844.65/67,830,177.02 = 12,871,734.46/x
  3. Step 3: Cross multiply
    45,219,844.65x = 67,830,177.02 × 12,871,734.46
  4. Step 4: Simplify right side
    45,219,844.65x = 873,092,026,976,234.12
  5. Step 5: Solve for x
    x = 873,092,026,976,234.12/45,219,844.65
  6. Step 6: Final answer
    x = 19,307,718.41

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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.