Home / 8,438,459.42-11,645,129.90-4,570,980.55

Finding the Fourth Proportional to 8,438,459.42, 11,645,129.90 and 4,570,980.55

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Solution

The fourth proportional to 8,438,459.42, 11,645,129.90 and 4,570,980.55 is: 6,307,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,459.42 : 11,645,129.90 = 4,570,980.55 : x
  2. Step 2: Convert to fraction form
    8,438,459.42/11,645,129.90 = 4,570,980.55/x
  3. Step 3: Cross multiply
    8,438,459.42x = 11,645,129.90 × 4,570,980.55
  4. Step 4: Simplify right side
    8,438,459.42x = 53,229,662,223,155.72
  5. Step 5: Solve for x
    x = 53,229,662,223,155.72/8,438,459.42
  6. Step 6: Final answer
    x = 6,307,983.43

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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.