Home / 15,028,886.39-20,739,870.72-8,153,366.63

Finding the Fourth Proportional to 15,028,886.39, 20,739,870.72 and 8,153,366.63

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Solution

The fourth proportional to 15,028,886.39, 20,739,870.72 and 8,153,366.63 is: 11,251,650.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028,886.39 : 20,739,870.72 = 8,153,366.63 : x
  2. Step 2: Convert to fraction form
    15,028,886.39/20,739,870.72 = 8,153,366.63/x
  3. Step 3: Cross multiply
    15,028,886.39x = 20,739,870.72 × 8,153,366.63
  4. Step 4: Simplify right side
    15,028,886.39x = 169,099,769,735,262.72
  5. Step 5: Solve for x
    x = 169,099,769,735,262.72/15,028,886.39
  6. Step 6: Final answer
    x = 11,251,650.02

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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.