Home / 6,600,389.16-9,900,591.54-1,808,119.68

Finding the Fourth Proportional to 6,600,389.16, 9,900,591.54 and 1,808,119.68

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Solution

The fourth proportional to 6,600,389.16, 9,900,591.54 and 1,808,119.68 is: 2,712,181.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600,389.16 : 9,900,591.54 = 1,808,119.68 : x
  2. Step 2: Convert to fraction form
    6,600,389.16/9,900,591.54 = 1,808,119.68/x
  3. Step 3: Cross multiply
    6,600,389.16x = 9,900,591.54 × 1,808,119.68
  4. Step 4: Simplify right side
    6,600,389.16x = 17,901,454,407,115.50
  5. Step 5: Solve for x
    x = 17,901,454,407,115.50/6,600,389.16
  6. Step 6: Final answer
    x = 2,712,181.66

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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.