Home / 12,030,720.80-18,046,081.20-9,343,335.20

Finding the Fourth Proportional to 12,030,720.80, 18,046,081.20 and 9,343,335.20

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Solution

The fourth proportional to 12,030,720.80, 18,046,081.20 and 9,343,335.20 is: 14,015,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,720.80 : 18,046,081.20 = 9,343,335.20 : x
  2. Step 2: Convert to fraction form
    12,030,720.80/18,046,081.20 = 9,343,335.20/x
  3. Step 3: Cross multiply
    12,030,720.80x = 18,046,081.20 × 9,343,335.20
  4. Step 4: Simplify right side
    12,030,720.80x = 168,610,585,698,018.22
  5. Step 5: Solve for x
    x = 168,610,585,698,018.22/12,030,720.80
  6. Step 6: Final answer
    x = 14,015,002.80

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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.