Home / 13,287,002.40-19,929,466.80-5,198,407.20

Finding the Fourth Proportional to 13,287,002.40, 19,929,466.80 and 5,198,407.20

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Solution

The fourth proportional to 13,287,002.40, 19,929,466.80 and 5,198,407.20 is: 7,797,205.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,002.40 : 19,929,466.80 = 5,198,407.20 : x
  2. Step 2: Convert to fraction form
    13,287,002.40/19,929,466.80 = 5,198,407.20/x
  3. Step 3: Cross multiply
    13,287,002.40x = 19,929,466.80 × 5,198,407.20
  4. Step 4: Simplify right side
    13,287,002.40x = 103,601,483,705,280.97
  5. Step 5: Solve for x
    x = 103,601,483,705,280.97/13,287,002.40
  6. Step 6: Final answer
    x = 7,797,205.16

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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.