Home / 8,577,378.12-11,836,988.55-4,657,300.92

Finding the Fourth Proportional to 8,577,378.12, 11,836,988.55 and 4,657,300.92

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Solution

The fourth proportional to 8,577,378.12, 11,836,988.55 and 4,657,300.92 is: 6,427,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577,378.12 : 11,836,988.55 = 4,657,300.92 : x
  2. Step 2: Convert to fraction form
    8,577,378.12/11,836,988.55 = 4,657,300.92/x
  3. Step 3: Cross multiply
    8,577,378.12x = 11,836,988.55 × 4,657,300.92
  4. Step 4: Simplify right side
    8,577,378.12x = 55,128,417,663,944.47
  5. Step 5: Solve for x
    x = 55,128,417,663,944.47/8,577,378.12
  6. Step 6: Final answer
    x = 6,427,187.53

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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.