Home / 12,643,370.68-17,447,894.80-6,842,150.96

Finding the Fourth Proportional to 12,643,370.68, 17,447,894.80 and 6,842,150.96

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Solution

The fourth proportional to 12,643,370.68, 17,447,894.80 and 6,842,150.96 is: 9,442,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,643,370.68 : 17,447,894.80 = 6,842,150.96 : x
  2. Step 2: Convert to fraction form
    12,643,370.68/17,447,894.80 = 6,842,150.96/x
  3. Step 3: Cross multiply
    12,643,370.68x = 17,447,894.80 × 6,842,150.96
  4. Step 4: Simplify right side
    12,643,370.68x = 119,381,130,155,799.02
  5. Step 5: Solve for x
    x = 119,381,130,155,799.02/12,643,370.68
  6. Step 6: Final answer
    x = 9,442,191.74

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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.