Home / 13,479,325.40-20,218,988.10-11,885,002.40

Finding the Fourth Proportional to 13,479,325.40, 20,218,988.10 and 11,885,002.40

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Solution

The fourth proportional to 13,479,325.40, 20,218,988.10 and 11,885,002.40 is: 17,827,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,479,325.40 : 20,218,988.10 = 11,885,002.40 : x
  2. Step 2: Convert to fraction form
    13,479,325.40/20,218,988.10 = 11,885,002.40/x
  3. Step 3: Cross multiply
    13,479,325.40x = 20,218,988.10 × 11,885,002.40
  4. Step 4: Simplify right side
    13,479,325.40x = 240,302,722,094,071.47
  5. Step 5: Solve for x
    x = 240,302,722,094,071.47/13,479,325.40
  6. Step 6: Final answer
    x = 17,827,503.60

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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.