Home / 8,157,471.90-11,256,428.75-4,719,070.50

Finding the Fourth Proportional to 8,157,471.90, 11,256,428.75 and 4,719,070.50

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Solution

The fourth proportional to 8,157,471.90, 11,256,428.75 and 4,719,070.50 is: 6,511,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157,471.90 : 11,256,428.75 = 4,719,070.50 : x
  2. Step 2: Convert to fraction form
    8,157,471.90/11,256,428.75 = 4,719,070.50/x
  3. Step 3: Cross multiply
    8,157,471.90x = 11,256,428.75 × 4,719,070.50
  4. Step 4: Simplify right side
    8,157,471.90x = 53,119,880,825,881.52
  5. Step 5: Solve for x
    x = 53,119,880,825,881.52/8,157,471.90
  6. Step 6: Final answer
    x = 6,511,806.78

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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.