Home / 15,515,088.30-23,230,642.05-12,155,856.30

Finding the Fourth Proportional to 15,515,088.30, 23,230,642.05 and 12,155,856.30

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Solution

The fourth proportional to 15,515,088.30, 23,230,642.05 and 12,155,856.30 is: 18,200,885.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,515,088.30 : 23,230,642.05 = 12,155,856.30 : x
  2. Step 2: Convert to fraction form
    15,515,088.30/23,230,642.05 = 12,155,856.30/x
  3. Step 3: Cross multiply
    15,515,088.30x = 23,230,642.05 × 12,155,856.30
  4. Step 4: Simplify right side
    15,515,088.30x = 282,388,346,516,537.44
  5. Step 5: Solve for x
    x = 282,388,346,516,537.44/15,515,088.30
  6. Step 6: Final answer
    x = 18,200,885.55

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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.