Home / 8,438,458.95-11,645,129.25-4,570,980.08

Finding the Fourth Proportional to 8,438,458.95, 11,645,129.25 and 4,570,980.08

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Solution

The fourth proportional to 8,438,458.95, 11,645,129.25 and 4,570,980.08 is: 6,307,982.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,458.95 : 11,645,129.25 = 4,570,980.08 : x
  2. Step 2: Convert to fraction form
    8,438,458.95/11,645,129.25 = 4,570,980.08/x
  3. Step 3: Cross multiply
    8,438,458.95x = 11,645,129.25 × 4,570,980.08
  4. Step 4: Simplify right side
    8,438,458.95x = 53,229,653,772,549.70
  5. Step 5: Solve for x
    x = 53,229,653,772,549.70/8,438,458.95
  6. Step 6: Final answer
    x = 6,307,982.78

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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.