Home / 18,708,557.20-28,047,089.40-9,733,109.20

Finding the Fourth Proportional to 18,708,557.20, 28,047,089.40 and 9,733,109.20

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Solution

The fourth proportional to 18,708,557.20, 28,047,089.40 and 9,733,109.20 is: 14,591,471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,557.20 : 28,047,089.40 = 9,733,109.20 : x
  2. Step 2: Convert to fraction form
    18,708,557.20/28,047,089.40 = 9,733,109.20/x
  3. Step 3: Cross multiply
    18,708,557.20x = 28,047,089.40 × 9,733,109.20
  4. Step 4: Simplify right side
    18,708,557.20x = 272,985,383,872,362.44
  5. Step 5: Solve for x
    x = 272,985,383,872,362.44/18,708,557.20
  6. Step 6: Final answer
    x = 14,591,471.75

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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.