Home / 7,378,753.13-10,182,693.27-4,115,779.22

Finding the Fourth Proportional to 7,378,753.13, 10,182,693.27 and 4,115,779.22

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Solution

The fourth proportional to 7,378,753.13, 10,182,693.27 and 4,115,779.22 is: 5,679,783.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,753.13 : 10,182,693.27 = 4,115,779.22 : x
  2. Step 2: Convert to fraction form
    7,378,753.13/10,182,693.27 = 4,115,779.22/x
  3. Step 3: Cross multiply
    7,378,753.13x = 10,182,693.27 × 4,115,779.22
  4. Step 4: Simplify right side
    7,378,753.13x = 41,909,717,364,299.85
  5. Step 5: Solve for x
    x = 41,909,717,364,299.85/7,378,753.13
  6. Step 6: Final answer
    x = 5,679,783.11

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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.