Home / 7,771,207.40-11,656,811.10-7,621,908.20

Finding the Fourth Proportional to 7,771,207.40, 11,656,811.10 and 7,621,908.20

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Solution

The fourth proportional to 7,771,207.40, 11,656,811.10 and 7,621,908.20 is: 11,432,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,207.40 : 11,656,811.10 = 7,621,908.20 : x
  2. Step 2: Convert to fraction form
    7,771,207.40/11,656,811.10 = 7,621,908.20/x
  3. Step 3: Cross multiply
    7,771,207.40x = 11,656,811.10 × 7,621,908.20
  4. Step 4: Simplify right side
    7,771,207.40x = 88,847,144,108,941.02
  5. Step 5: Solve for x
    x = 88,847,144,108,941.02/7,771,207.40
  6. Step 6: Final answer
    x = 11,432,862.30

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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.