Home / 12,199,960.16-18,300,071.28-3,680,370.40

Finding the Fourth Proportional to 12,199,960.16, 18,300,071.28 and 3,680,370.40

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Solution

The fourth proportional to 12,199,960.16, 18,300,071.28 and 3,680,370.40 is: 5,520,595.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199,960.16 : 18,300,071.28 = 3,680,370.40 : x
  2. Step 2: Convert to fraction form
    12,199,960.16/18,300,071.28 = 3,680,370.40/x
  3. Step 3: Cross multiply
    12,199,960.16x = 18,300,071.28 × 3,680,370.40
  4. Step 4: Simplify right side
    12,199,960.16x = 67,351,040,656,802.12
  5. Step 5: Solve for x
    x = 67,351,040,656,802.12/12,199,960.16
  6. Step 6: Final answer
    x = 5,520,595.13

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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.