Home / 13,820,065.40-20,730,098.10-12,225,742.40

Finding the Fourth Proportional to 13,820,065.40, 20,730,098.10 and 12,225,742.40

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Solution

The fourth proportional to 13,820,065.40, 20,730,098.10 and 12,225,742.40 is: 18,338,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820,065.40 : 20,730,098.10 = 12,225,742.40 : x
  2. Step 2: Convert to fraction form
    13,820,065.40/20,730,098.10 = 12,225,742.40/x
  3. Step 3: Cross multiply
    13,820,065.40x = 20,730,098.10 × 12,225,742.40
  4. Step 4: Simplify right side
    13,820,065.40x = 253,440,839,297,329.47
  5. Step 5: Solve for x
    x = 253,440,839,297,329.47/13,820,065.40
  6. Step 6: Final answer
    x = 18,338,613.60

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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.