Home / 43,447,389.20-65,207,825.40-17,906,728.40

Finding the Fourth Proportional to 43,447,389.20, 65,207,825.40 and 17,906,728.40

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Solution

The fourth proportional to 43,447,389.20, 65,207,825.40 and 17,906,728.40 is: 26,875,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,447,389.20 : 65,207,825.40 = 17,906,728.40 : x
  2. Step 2: Convert to fraction form
    43,447,389.20/65,207,825.40 = 17,906,728.40/x
  3. Step 3: Cross multiply
    43,447,389.20x = 65,207,825.40 × 17,906,728.40
  4. Step 4: Simplify right side
    43,447,389.20x = 1,167,658,818,992,421.25
  5. Step 5: Solve for x
    x = 1,167,658,818,992,421.25/43,447,389.20
  6. Step 6: Final answer
    x = 26,875,235.55

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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.