Home / 28,534,666.42-42,776,805.39-21,832,998.58

Finding the Fourth Proportional to 28,534,666.42, 42,776,805.39 and 21,832,998.58

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Solution

The fourth proportional to 28,534,666.42, 42,776,805.39 and 21,832,998.58 is: 32,730,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,666.42 : 42,776,805.39 = 21,832,998.58 : x
  2. Step 2: Convert to fraction form
    28,534,666.42/42,776,805.39 = 21,832,998.58/x
  3. Step 3: Cross multiply
    28,534,666.42x = 42,776,805.39 × 21,832,998.58
  4. Step 4: Simplify right side
    28,534,666.42x = 933,945,931,336,806.25
  5. Step 5: Solve for x
    x = 933,945,931,336,806.25/28,534,666.42
  6. Step 6: Final answer
    x = 32,730,220.76

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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.