Home / 52,254,363.70-72,112,871.36-28,734,695.02

Finding the Fourth Proportional to 52,254,363.70, 72,112,871.36 and 28,734,695.02

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Solution

The fourth proportional to 52,254,363.70, 72,112,871.36 and 28,734,695.02 is: 39,654,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,254,363.70 : 72,112,871.36 = 28,734,695.02 : x
  2. Step 2: Convert to fraction form
    52,254,363.70/72,112,871.36 = 28,734,695.02/x
  3. Step 3: Cross multiply
    52,254,363.70x = 72,112,871.36 × 28,734,695.02
  4. Step 4: Simplify right side
    52,254,363.70x = 2,072,141,365,708,070.25
  5. Step 5: Solve for x
    x = 2,072,141,365,708,070.25/52,254,363.70
  6. Step 6: Final answer
    x = 39,654,896.15

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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.