Home / 10,202,143.56-15,305,344.02-5,408,531.16

Finding the Fourth Proportional to 10,202,143.56, 15,305,344.02 and 5,408,531.16

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Solution

The fourth proportional to 10,202,143.56, 15,305,344.02 and 5,408,531.16 is: 8,113,925.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202,143.56 : 15,305,344.02 = 5,408,531.16 : x
  2. Step 2: Convert to fraction form
    10,202,143.56/15,305,344.02 = 5,408,531.16/x
  3. Step 3: Cross multiply
    10,202,143.56x = 15,305,344.02 × 5,408,531.16
  4. Step 4: Simplify right side
    10,202,143.56x = 82,779,430,046,689.66
  5. Step 5: Solve for x
    x = 82,779,430,046,689.66/10,202,143.56
  6. Step 6: Final answer
    x = 8,113,925.23

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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.