Home / 15,666,733.70-23,500,100.55-12,265,511.30

Finding the Fourth Proportional to 15,666,733.70, 23,500,100.55 and 12,265,511.30

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Solution

The fourth proportional to 15,666,733.70, 23,500,100.55 and 12,265,511.30 is: 18,398,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666,733.70 : 23,500,100.55 = 12,265,511.30 : x
  2. Step 2: Convert to fraction form
    15,666,733.70/23,500,100.55 = 12,265,511.30/x
  3. Step 3: Cross multiply
    15,666,733.70x = 23,500,100.55 × 12,265,511.30
  4. Step 4: Simplify right side
    15,666,733.70x = 288,240,748,847,161.25
  5. Step 5: Solve for x
    x = 288,240,748,847,161.25/15,666,733.70
  6. Step 6: Final answer
    x = 18,398,266.95

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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.