Home / 15,435,557.15-21,301,099.31-8,466,291.42

Finding the Fourth Proportional to 15,435,557.15, 21,301,099.31 and 8,466,291.42

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Solution

The fourth proportional to 15,435,557.15, 21,301,099.31 and 8,466,291.42 is: 11,683,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435,557.15 : 21,301,099.31 = 8,466,291.42 : x
  2. Step 2: Convert to fraction form
    15,435,557.15/21,301,099.31 = 8,466,291.42/x
  3. Step 3: Cross multiply
    15,435,557.15x = 21,301,099.31 × 8,466,291.42
  4. Step 4: Simplify right side
    15,435,557.15x = 180,341,314,282,489.47
  5. Step 5: Solve for x
    x = 180,341,314,282,489.47/15,435,557.15
  6. Step 6: Final answer
    x = 11,683,498.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.