Home / 30,030,672.60-45,046,008.90-10,864,387.80

Finding the Fourth Proportional to 30,030,672.60, 45,046,008.90 and 10,864,387.80

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Solution

The fourth proportional to 30,030,672.60, 45,046,008.90 and 10,864,387.80 is: 16,296,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,030,672.60 : 45,046,008.90 = 10,864,387.80 : x
  2. Step 2: Convert to fraction form
    30,030,672.60/45,046,008.90 = 10,864,387.80/x
  3. Step 3: Cross multiply
    30,030,672.60x = 45,046,008.90 × 10,864,387.80
  4. Step 4: Simplify right side
    30,030,672.60x = 489,397,309,531,851.44
  5. Step 5: Solve for x
    x = 489,397,309,531,851.44/30,030,672.60
  6. Step 6: Final answer
    x = 16,296,581.70

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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.