Home / 39,874,253.40-55,026,518.67-21,539,538.90

Finding the Fourth Proportional to 39,874,253.40, 55,026,518.67 and 21,539,538.90

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Solution

The fourth proportional to 39,874,253.40, 55,026,518.67 and 21,539,538.90 is: 29,724,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874,253.40 : 55,026,518.67 = 21,539,538.90 : x
  2. Step 2: Convert to fraction form
    39,874,253.40/55,026,518.67 = 21,539,538.90/x
  3. Step 3: Cross multiply
    39,874,253.40x = 55,026,518.67 × 21,539,538.90
  4. Step 4: Simplify right side
    39,874,253.40x = 1,185,245,839,424,041.25
  5. Step 5: Solve for x
    x = 1,185,245,839,424,041.25/39,874,253.40
  6. Step 6: Final answer
    x = 29,724,590.14

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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.