Home / 8,172,017.30-12,239,363.55-4,812,785.30

Finding the Fourth Proportional to 8,172,017.30, 12,239,363.55 and 4,812,785.30

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Solution

The fourth proportional to 8,172,017.30, 12,239,363.55 and 4,812,785.30 is: 7,208,187.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,017.30 : 12,239,363.55 = 4,812,785.30 : x
  2. Step 2: Convert to fraction form
    8,172,017.30/12,239,363.55 = 4,812,785.30/x
  3. Step 3: Cross multiply
    8,172,017.30x = 12,239,363.55 × 4,812,785.30
  4. Step 4: Simplify right side
    8,172,017.30x = 58,905,428,974,795.81
  5. Step 5: Solve for x
    x = 58,905,428,974,795.81/8,172,017.30
  6. Step 6: Final answer
    x = 7,208,187.01

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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.