Home / 8,071,899.52-11,138,715.12-4,631,719.36

Finding the Fourth Proportional to 8,071,899.52, 11,138,715.12 and 4,631,719.36

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Solution

The fourth proportional to 8,071,899.52, 11,138,715.12 and 4,631,719.36 is: 6,391,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,899.52 : 11,138,715.12 = 4,631,719.36 : x
  2. Step 2: Convert to fraction form
    8,071,899.52/11,138,715.12 = 4,631,719.36/x
  3. Step 3: Cross multiply
    8,071,899.52x = 11,138,715.12 × 4,631,719.36
  4. Step 4: Simplify right side
    8,071,899.52x = 51,591,402,466,828.73
  5. Step 5: Solve for x
    x = 51,591,402,466,828.73/8,071,899.52
  6. Step 6: Final answer
    x = 6,391,482.25

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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.