Home / 28,248,987.40-42,373,481.10-26,548,376.20

Finding the Fourth Proportional to 28,248,987.40, 42,373,481.10 and 26,548,376.20

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Solution

The fourth proportional to 28,248,987.40, 42,373,481.10 and 26,548,376.20 is: 39,822,564.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,987.40 : 42,373,481.10 = 26,548,376.20 : x
  2. Step 2: Convert to fraction form
    28,248,987.40/42,373,481.10 = 26,548,376.20/x
  3. Step 3: Cross multiply
    28,248,987.40x = 42,373,481.10 × 26,548,376.20
  4. Step 4: Simplify right side
    28,248,987.40x = 1,124,947,117,146,389.88
  5. Step 5: Solve for x
    x = 1,124,947,117,146,389.88/28,248,987.40
  6. Step 6: Final answer
    x = 39,822,564.30

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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.