Home / 15,739,742.64-23,591,703.95-9,578,134.78

Finding the Fourth Proportional to 15,739,742.64, 23,591,703.95 and 9,578,134.78

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Solution

The fourth proportional to 15,739,742.64, 23,591,703.95 and 9,578,134.78 is: 14,356,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739,742.64 : 23,591,703.95 = 9,578,134.78 : x
  2. Step 2: Convert to fraction form
    15,739,742.64/23,591,703.95 = 9,578,134.78/x
  3. Step 3: Cross multiply
    15,739,742.64x = 23,591,703.95 × 9,578,134.78
  4. Step 4: Simplify right side
    15,739,742.64x = 225,964,520,122,958.34
  5. Step 5: Solve for x
    x = 225,964,520,122,958.34/15,739,742.64
  6. Step 6: Final answer
    x = 14,356,303.36

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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.