Home / 19,318,565.16-28,991,134.26-7,959,013.56

Finding the Fourth Proportional to 19,318,565.16, 28,991,134.26 and 7,959,013.56

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Solution

The fourth proportional to 19,318,565.16, 28,991,134.26 and 7,959,013.56 is: 11,943,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,565.16 : 28,991,134.26 = 7,959,013.56 : x
  2. Step 2: Convert to fraction form
    19,318,565.16/28,991,134.26 = 7,959,013.56/x
  3. Step 3: Cross multiply
    19,318,565.16x = 28,991,134.26 × 7,959,013.56
  4. Step 4: Simplify right side
    19,318,565.16x = 230,740,830,695,120.56
  5. Step 5: Solve for x
    x = 230,740,830,695,120.56/19,318,565.16
  6. Step 6: Final answer
    x = 11,943,994.22

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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.