Home / 7,811,906.89-10,780,875.90-4,374,117.85

Finding the Fourth Proportional to 7,811,906.89, 10,780,875.90 and 4,374,117.85

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Solution

The fourth proportional to 7,811,906.89, 10,780,875.90 and 4,374,117.85 is: 6,036,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811,906.89 : 10,780,875.90 = 4,374,117.85 : x
  2. Step 2: Convert to fraction form
    7,811,906.89/10,780,875.90 = 4,374,117.85/x
  3. Step 3: Cross multiply
    7,811,906.89x = 10,780,875.90 × 4,374,117.85
  4. Step 4: Simplify right side
    7,811,906.89x = 47,156,821,637,049.84
  5. Step 5: Solve for x
    x = 47,156,821,637,049.84/7,811,906.89
  6. Step 6: Final answer
    x = 6,036,531.46

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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.