Home / 8,438,460.42-11,645,131.28-4,570,981.55

Finding the Fourth Proportional to 8,438,460.42, 11,645,131.28 and 4,570,981.55

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Solution

The fourth proportional to 8,438,460.42, 11,645,131.28 and 4,570,981.55 is: 6,307,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,460.42 : 11,645,131.28 = 4,570,981.55 : x
  2. Step 2: Convert to fraction form
    8,438,460.42/11,645,131.28 = 4,570,981.55/x
  3. Step 3: Cross multiply
    8,438,460.42x = 11,645,131.28 × 4,570,981.55
  4. Step 4: Simplify right side
    8,438,460.42x = 53,229,680,228,207.88
  5. Step 5: Solve for x
    x = 53,229,680,228,207.88/8,438,460.42
  6. Step 6: Final answer
    x = 6,307,984.82

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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.