Home / 52,220,412.18-72,065,896.56-28,699,782.62

Finding the Fourth Proportional to 52,220,412.18, 72,065,896.56 and 28,699,782.62

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Solution

The fourth proportional to 52,220,412.18, 72,065,896.56 and 28,699,782.62 is: 39,606,649.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,220,412.18 : 72,065,896.56 = 28,699,782.62 : x
  2. Step 2: Convert to fraction form
    52,220,412.18/72,065,896.56 = 28,699,782.62/x
  3. Step 3: Cross multiply
    52,220,412.18x = 72,065,896.56 × 28,699,782.62
  4. Step 4: Simplify right side
    52,220,412.18x = 2,068,275,565,587,406
  5. Step 5: Solve for x
    x = 2,068,275,565,587,406/52,220,412.18
  6. Step 6: Final answer
    x = 39,606,649.57

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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.