Home / 18,397,175.70-27,595,763.55-12,657,612.90

Finding the Fourth Proportional to 18,397,175.70, 27,595,763.55 and 12,657,612.90

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Solution

The fourth proportional to 18,397,175.70, 27,595,763.55 and 12,657,612.90 is: 18,986,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397,175.70 : 27,595,763.55 = 12,657,612.90 : x
  2. Step 2: Convert to fraction form
    18,397,175.70/27,595,763.55 = 12,657,612.90/x
  3. Step 3: Cross multiply
    18,397,175.70x = 27,595,763.55 × 12,657,612.90
  4. Step 4: Simplify right side
    18,397,175.70x = 349,296,492,695,829.81
  5. Step 5: Solve for x
    x = 349,296,492,695,829.81/18,397,175.70
  6. Step 6: Final answer
    x = 18,986,419.35

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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.