Home / 7,714,727.12-11,572,178.16-2,921,114.72

Finding the Fourth Proportional to 7,714,727.12, 11,572,178.16 and 2,921,114.72

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Solution

The fourth proportional to 7,714,727.12, 11,572,178.16 and 2,921,114.72 is: 4,381,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,714,727.12 : 11,572,178.16 = 2,921,114.72 : x
  2. Step 2: Convert to fraction form
    7,714,727.12/11,572,178.16 = 2,921,114.72/x
  3. Step 3: Cross multiply
    7,714,727.12x = 11,572,178.16 × 2,921,114.72
  4. Step 4: Simplify right side
    7,714,727.12x = 33,803,659,965,638.52
  5. Step 5: Solve for x
    x = 33,803,659,965,638.52/7,714,727.12
  6. Step 6: Final answer
    x = 4,381,705.20

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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.