Home / 13,069,631.80-19,604,447.70-7,680,863.80

Finding the Fourth Proportional to 13,069,631.80, 19,604,447.70 and 7,680,863.80

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Solution

The fourth proportional to 13,069,631.80, 19,604,447.70 and 7,680,863.80 is: 11,521,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,069,631.80 : 19,604,447.70 = 7,680,863.80 : x
  2. Step 2: Convert to fraction form
    13,069,631.80/19,604,447.70 = 7,680,863.80/x
  3. Step 3: Cross multiply
    13,069,631.80x = 19,604,447.70 × 7,680,863.80
  4. Step 4: Simplify right side
    13,069,631.80x = 150,579,092,657,923.25
  5. Step 5: Solve for x
    x = 150,579,092,657,923.25/13,069,631.80
  6. Step 6: Final answer
    x = 11,521,295.70

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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.