Home / 28,188,215.10-42,282,322.65-17,370,438.30

Finding the Fourth Proportional to 28,188,215.10, 42,282,322.65 and 17,370,438.30

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Solution

The fourth proportional to 28,188,215.10, 42,282,322.65 and 17,370,438.30 is: 26,055,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,215.10 : 42,282,322.65 = 17,370,438.30 : x
  2. Step 2: Convert to fraction form
    28,188,215.10/42,282,322.65 = 17,370,438.30/x
  3. Step 3: Cross multiply
    28,188,215.10x = 42,282,322.65 × 17,370,438.30
  4. Step 4: Simplify right side
    28,188,215.10x = 734,462,476,772,517.50
  5. Step 5: Solve for x
    x = 734,462,476,772,517.50/28,188,215.10
  6. Step 6: Final answer
    x = 26,055,657.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.