Home / 10,255,760.85-14,157,307.79-6,390,191.88

Finding the Fourth Proportional to 10,255,760.85, 14,157,307.79 and 6,390,191.88

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Solution

The fourth proportional to 10,255,760.85, 14,157,307.79 and 6,390,191.88 is: 8,821,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,760.85 : 14,157,307.79 = 6,390,191.88 : x
  2. Step 2: Convert to fraction form
    10,255,760.85/14,157,307.79 = 6,390,191.88/x
  3. Step 3: Cross multiply
    10,255,760.85x = 14,157,307.79 × 6,390,191.88
  4. Step 4: Simplify right side
    10,255,760.85x = 90,467,913,310,275.84
  5. Step 5: Solve for x
    x = 90,467,913,310,275.84/10,255,760.85
  6. Step 6: Final answer
    x = 8,821,180.08

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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.