Home / 19,261,621.55-28,902,365.72-9,027,521.06

Finding the Fourth Proportional to 19,261,621.55, 28,902,365.72 and 9,027,521.06

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Solution

The fourth proportional to 19,261,621.55, 28,902,365.72 and 9,027,521.06 is: 13,545,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261,621.55 : 28,902,365.72 = 9,027,521.06 : x
  2. Step 2: Convert to fraction form
    19,261,621.55/28,902,365.72 = 9,027,521.06/x
  3. Step 3: Cross multiply
    19,261,621.55x = 28,902,365.72 × 9,027,521.06
  4. Step 4: Simplify right side
    19,261,621.55x = 260,916,715,031,472.62
  5. Step 5: Solve for x
    x = 260,916,715,031,472.62/19,261,621.55
  6. Step 6: Final answer
    x = 13,545,937.16

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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.