Home / 11,780,482.20-17,687,312.10-7,301,506.20

Finding the Fourth Proportional to 11,780,482.20, 17,687,312.10 and 7,301,506.20

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Solution

The fourth proportional to 11,780,482.20, 17,687,312.10 and 7,301,506.20 is: 10,962,540.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,780,482.20 : 17,687,312.10 = 7,301,506.20 : x
  2. Step 2: Convert to fraction form
    11,780,482.20/17,687,312.10 = 7,301,506.20/x
  3. Step 3: Cross multiply
    11,780,482.20x = 17,687,312.10 × 7,301,506.20
  4. Step 4: Simplify right side
    11,780,482.20x = 129,144,018,959,485.03
  5. Step 5: Solve for x
    x = 129,144,018,959,485.03/11,780,482.20
  6. Step 6: Final answer
    x = 10,962,540.99

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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.