Home / 52,220,410.17-72,065,893.81-28,699,780.61

Finding the Fourth Proportional to 52,220,410.17, 72,065,893.81 and 28,699,780.61

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Solution

The fourth proportional to 52,220,410.17, 72,065,893.81 and 28,699,780.61 is: 39,606,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220,410.17 : 72,065,893.81 = 28,699,780.61 : x
  2. Step 2: Convert to fraction form
    52,220,410.17/72,065,893.81 = 28,699,780.61/x
  3. Step 3: Cross multiply
    52,220,410.17x = 72,065,893.81 × 28,699,780.61
  4. Step 4: Simplify right side
    52,220,410.17x = 2,068,275,341,870,984.50
  5. Step 5: Solve for x
    x = 2,068,275,341,870,984.50/52,220,410.17
  6. Step 6: Final answer
    x = 39,606,646.81

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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.