Home / 26,920,160.80-40,380,241.20-9,878,619.40

Finding the Fourth Proportional to 26,920,160.80, 40,380,241.20 and 9,878,619.40

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Solution

The fourth proportional to 26,920,160.80, 40,380,241.20 and 9,878,619.40 is: 14,817,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,920,160.80 : 40,380,241.20 = 9,878,619.40 : x
  2. Step 2: Convert to fraction form
    26,920,160.80/40,380,241.20 = 9,878,619.40/x
  3. Step 3: Cross multiply
    26,920,160.80x = 40,380,241.20 × 9,878,619.40
  4. Step 4: Simplify right side
    26,920,160.80x = 398,901,034,094,999.31
  5. Step 5: Solve for x
    x = 398,901,034,094,999.31/26,920,160.80
  6. Step 6: Final answer
    x = 14,817,929.10

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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.