Home / 19,007,987.60-28,511,981.40-6,228,909.20

Finding the Fourth Proportional to 19,007,987.60, 28,511,981.40 and 6,228,909.20

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Solution

The fourth proportional to 19,007,987.60, 28,511,981.40 and 6,228,909.20 is: 9,343,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007,987.60 : 28,511,981.40 = 6,228,909.20 : x
  2. Step 2: Convert to fraction form
    19,007,987.60/28,511,981.40 = 6,228,909.20/x
  3. Step 3: Cross multiply
    19,007,987.60x = 28,511,981.40 × 6,228,909.20
  4. Step 4: Simplify right side
    19,007,987.60x = 177,598,543,252,688.88
  5. Step 5: Solve for x
    x = 177,598,543,252,688.88/19,007,987.60
  6. Step 6: Final answer
    x = 9,343,363.80

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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.