Home / 7,145,051.52-9,860,283-3,881,930.88

Finding the Fourth Proportional to 7,145,051.52, 9,860,283 and 3,881,930.88

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Solution

The fourth proportional to 7,145,051.52, 9,860,283 and 3,881,930.88 is: 5,357,125.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,051.52 : 9,860,283 = 3,881,930.88 : x
  2. Step 2: Convert to fraction form
    7,145,051.52/9,860,283 = 3,881,930.88/x
  3. Step 3: Cross multiply
    7,145,051.52x = 9,860,283 × 3,881,930.88
  4. Step 4: Simplify right side
    7,145,051.52x = 38,276,937,063,239.04
  5. Step 5: Solve for x
    x = 38,276,937,063,239.04/7,145,051.52
  6. Step 6: Final answer
    x = 5,357,125.41

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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.