Home / 17,078,428.80-25,617,643.20-6,988,291.20

Finding the Fourth Proportional to 17,078,428.80, 25,617,643.20 and 6,988,291.20

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Solution

The fourth proportional to 17,078,428.80, 25,617,643.20 and 6,988,291.20 is: 10,482,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,078,428.80 : 25,617,643.20 = 6,988,291.20 : x
  2. Step 2: Convert to fraction form
    17,078,428.80/25,617,643.20 = 6,988,291.20/x
  3. Step 3: Cross multiply
    17,078,428.80x = 25,617,643.20 × 6,988,291.20
  4. Step 4: Simplify right side
    17,078,428.80x = 179,023,550,539,299.84
  5. Step 5: Solve for x
    x = 179,023,550,539,299.84/17,078,428.80
  6. Step 6: Final answer
    x = 10,482,436.80

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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.