Home / 15,666,720.70-23,500,081.05-12,265,498.30

Finding the Fourth Proportional to 15,666,720.70, 23,500,081.05 and 12,265,498.30

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Solution

The fourth proportional to 15,666,720.70, 23,500,081.05 and 12,265,498.30 is: 18,398,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666,720.70 : 23,500,081.05 = 12,265,498.30 : x
  2. Step 2: Convert to fraction form
    15,666,720.70/23,500,081.05 = 12,265,498.30/x
  3. Step 3: Cross multiply
    15,666,720.70x = 23,500,081.05 × 12,265,498.30
  4. Step 4: Simplify right side
    15,666,720.70x = 288,240,204,168,637.25
  5. Step 5: Solve for x
    x = 288,240,204,168,637.25/15,666,720.70
  6. Step 6: Final answer
    x = 18,398,247.45

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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.