Home / 10,195,918.40-15,293,877.60-9,079,892.30

Finding the Fourth Proportional to 10,195,918.40, 15,293,877.60 and 9,079,892.30

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Solution

The fourth proportional to 10,195,918.40, 15,293,877.60 and 9,079,892.30 is: 13,619,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,195,918.40 : 15,293,877.60 = 9,079,892.30 : x
  2. Step 2: Convert to fraction form
    10,195,918.40/15,293,877.60 = 9,079,892.30/x
  3. Step 3: Cross multiply
    10,195,918.40x = 15,293,877.60 × 9,079,892.30
  4. Step 4: Simplify right side
    10,195,918.40x = 138,866,761,457,382.48
  5. Step 5: Solve for x
    x = 138,866,761,457,382.48/10,195,918.40
  6. Step 6: Final answer
    x = 13,619,838.45

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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.