Home / 7,812,100.85-10,780,785.36-4,327,493.00

Finding the Fourth Proportional to 7,812,100.85, 10,780,785.36 and 4,327,493.00

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Solution

The fourth proportional to 7,812,100.85, 10,780,785.36 and 4,327,493.00 is: 5,971,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,100.85 : 10,780,785.36 = 4,327,493.00 : x
  2. Step 2: Convert to fraction form
    7,812,100.85/10,780,785.36 = 4,327,493.00/x
  3. Step 3: Cross multiply
    7,812,100.85x = 10,780,785.36 × 4,327,493.00
  4. Step 4: Simplify right side
    7,812,100.85x = 46,653,773,125,998.55
  5. Step 5: Solve for x
    x = 46,653,773,125,998.55/7,812,100.85
  6. Step 6: Final answer
    x = 5,971,988.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.