Home / 12,268,215.70-18,402,323.55-9,876,731.20

Finding the Fourth Proportional to 12,268,215.70, 18,402,323.55 and 9,876,731.20

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Solution

The fourth proportional to 12,268,215.70, 18,402,323.55 and 9,876,731.20 is: 14,815,096.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268,215.70 : 18,402,323.55 = 9,876,731.20 : x
  2. Step 2: Convert to fraction form
    12,268,215.70/18,402,323.55 = 9,876,731.20/x
  3. Step 3: Cross multiply
    12,268,215.70x = 18,402,323.55 × 9,876,731.20
  4. Step 4: Simplify right side
    12,268,215.70x = 181,754,803,158,779.75
  5. Step 5: Solve for x
    x = 181,754,803,158,779.75/12,268,215.70
  6. Step 6: Final answer
    x = 14,815,096.80

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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.