Home / 28,027,340.40-42,041,010.60-10,078,258.80

Finding the Fourth Proportional to 28,027,340.40, 42,041,010.60 and 10,078,258.80

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Solution

The fourth proportional to 28,027,340.40, 42,041,010.60 and 10,078,258.80 is: 15,117,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,340.40 : 42,041,010.60 = 10,078,258.80 : x
  2. Step 2: Convert to fraction form
    28,027,340.40/42,041,010.60 = 10,078,258.80/x
  3. Step 3: Cross multiply
    28,027,340.40x = 42,041,010.60 × 10,078,258.80
  4. Step 4: Simplify right side
    28,027,340.40x = 423,700,185,040,343.31
  5. Step 5: Solve for x
    x = 423,700,185,040,343.31/28,027,340.40
  6. Step 6: Final answer
    x = 15,117,388.20

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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.