Home / 28,904,130.04-43,351,974.48-8,428,347.40

Finding the Fourth Proportional to 28,904,130.04, 43,351,974.48 and 8,428,347.40

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Solution

The fourth proportional to 28,904,130.04, 43,351,974.48 and 8,428,347.40 is: 12,641,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904,130.04 : 43,351,974.48 = 8,428,347.40 : x
  2. Step 2: Convert to fraction form
    28,904,130.04/43,351,974.48 = 8,428,347.40/x
  3. Step 3: Cross multiply
    28,904,130.04x = 43,351,974.48 × 8,428,347.40
  4. Step 4: Simplify right side
    28,904,130.04x = 365,385,501,393,374.31
  5. Step 5: Solve for x
    x = 365,385,501,393,374.31/28,904,130.04
  6. Step 6: Final answer
    x = 12,641,290.39

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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.