Home / 19,317,886.20-28,976,829.30-5,134,462.20

Finding the Fourth Proportional to 19,317,886.20, 28,976,829.30 and 5,134,462.20

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Solution

The fourth proportional to 19,317,886.20, 28,976,829.30 and 5,134,462.20 is: 7,701,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,317,886.20 : 28,976,829.30 = 5,134,462.20 : x
  2. Step 2: Convert to fraction form
    19,317,886.20/28,976,829.30 = 5,134,462.20/x
  3. Step 3: Cross multiply
    19,317,886.20x = 28,976,829.30 × 5,134,462.20
  4. Step 4: Simplify right side
    19,317,886.20x = 148,780,434,716,702.47
  5. Step 5: Solve for x
    x = 148,780,434,716,702.47/19,317,886.20
  6. Step 6: Final answer
    x = 7,701,693.30

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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.