Home / 12,851,679.40-19,309,011.90-9,663,033.40

Finding the Fourth Proportional to 12,851,679.40, 19,309,011.90 and 9,663,033.40

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Solution

The fourth proportional to 12,851,679.40, 19,309,011.90 and 9,663,033.40 is: 14,518,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,851,679.40 : 19,309,011.90 = 9,663,033.40 : x
  2. Step 2: Convert to fraction form
    12,851,679.40/19,309,011.90 = 9,663,033.40/x
  3. Step 3: Cross multiply
    12,851,679.40x = 19,309,011.90 × 9,663,033.40
  4. Step 4: Simplify right side
    12,851,679.40x = 186,583,626,910,697.44
  5. Step 5: Solve for x
    x = 186,583,626,910,697.44/12,851,679.40
  6. Step 6: Final answer
    x = 14,518,229.18

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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.