Home / 10,304,965.80-15,457,448.70-5,266,117.80

Finding the Fourth Proportional to 10,304,965.80, 15,457,448.70 and 5,266,117.80

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Solution

The fourth proportional to 10,304,965.80, 15,457,448.70 and 5,266,117.80 is: 7,899,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,304,965.80 : 15,457,448.70 = 5,266,117.80 : x
  2. Step 2: Convert to fraction form
    10,304,965.80/15,457,448.70 = 5,266,117.80/x
  3. Step 3: Cross multiply
    10,304,965.80x = 15,457,448.70 × 5,266,117.80
  4. Step 4: Simplify right side
    10,304,965.80x = 81,400,745,741,656.86
  5. Step 5: Solve for x
    x = 81,400,745,741,656.86/10,304,965.80
  6. Step 6: Final answer
    x = 7,899,176.70

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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.