Home / 15,472,715.13-21,352,858.81-8,503,639.70

Finding the Fourth Proportional to 15,472,715.13, 21,352,858.81 and 8,503,639.70

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Solution

The fourth proportional to 15,472,715.13, 21,352,858.81 and 8,503,639.70 is: 11,735,304.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,715.13 : 21,352,858.81 = 8,503,639.70 : x
  2. Step 2: Convert to fraction form
    15,472,715.13/21,352,858.81 = 8,503,639.70/x
  3. Step 3: Cross multiply
    15,472,715.13x = 21,352,858.81 × 8,503,639.70
  4. Step 4: Simplify right side
    15,472,715.13x = 181,577,017,842,692.53
  5. Step 5: Solve for x
    x = 181,577,017,842,692.53/15,472,715.13
  6. Step 6: Final answer
    x = 11,735,304.14

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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.