Home / 7,780,460.93-11,671,251.89-2,988,150.20

Finding the Fourth Proportional to 7,780,460.93, 11,671,251.89 and 2,988,150.20

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Solution

The fourth proportional to 7,780,460.93, 11,671,251.89 and 2,988,150.20 is: 4,482,440.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,460.93 : 11,671,251.89 = 2,988,150.20 : x
  2. Step 2: Convert to fraction form
    7,780,460.93/11,671,251.89 = 2,988,150.20/x
  3. Step 3: Cross multiply
    7,780,460.93x = 11,671,251.89 × 2,988,150.20
  4. Step 4: Simplify right side
    7,780,460.93x = 34,875,453,669,353.88
  5. Step 5: Solve for x
    x = 34,875,453,669,353.88/7,780,460.93
  6. Step 6: Final answer
    x = 4,482,440.56

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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.