Home / 19,184,758.20-28,752,642.90-7,812,358.20

Finding the Fourth Proportional to 19,184,758.20, 28,752,642.90 and 7,812,358.20

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Solution

The fourth proportional to 19,184,758.20, 28,752,642.90 and 7,812,358.20 is: 11,708,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,184,758.20 : 28,752,642.90 = 7,812,358.20 : x
  2. Step 2: Convert to fraction form
    19,184,758.20/28,752,642.90 = 7,812,358.20/x
  3. Step 3: Cross multiply
    19,184,758.20x = 28,752,642.90 × 7,812,358.20
  4. Step 4: Simplify right side
    19,184,758.20x = 224,625,945,531,486.78
  5. Step 5: Solve for x
    x = 224,625,945,531,486.78/19,184,758.20
  6. Step 6: Final answer
    x = 11,708,562.77

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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.