Home / 7,217,577.40-9,960,256.50-3,954,515.72

Finding the Fourth Proportional to 7,217,577.40, 9,960,256.50 and 3,954,515.72

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Solution

The fourth proportional to 7,217,577.40, 9,960,256.50 and 3,954,515.72 is: 5,457,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217,577.40 : 9,960,256.50 = 3,954,515.72 : x
  2. Step 2: Convert to fraction form
    7,217,577.40/9,960,256.50 = 3,954,515.72/x
  3. Step 3: Cross multiply
    7,217,577.40x = 9,960,256.50 × 3,954,515.72
  4. Step 4: Simplify right side
    7,217,577.40x = 39,387,990,904,482.18
  5. Step 5: Solve for x
    x = 39,387,990,904,482.18/7,217,577.40
  6. Step 6: Final answer
    x = 5,457,231.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.