Home / 42,020,642.57-63,012,657.85-22,320,458.33

Finding the Fourth Proportional to 42,020,642.57, 63,012,657.85 and 22,320,458.33

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Solution

The fourth proportional to 42,020,642.57, 63,012,657.85 and 22,320,458.33 is: 33,470,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,020,642.57 : 63,012,657.85 = 22,320,458.33 : x
  2. Step 2: Convert to fraction form
    42,020,642.57/63,012,657.85 = 22,320,458.33/x
  3. Step 3: Cross multiply
    42,020,642.57x = 63,012,657.85 × 22,320,458.33
  4. Step 4: Simplify right side
    42,020,642.57x = 1,406,471,403,432,607.75
  5. Step 5: Solve for x
    x = 1,406,471,403,432,607.75/42,020,642.57
  6. Step 6: Final answer
    x = 33,470,963.74

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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.