Home / 10,011,979.09-15,009,062.03-3,620,810.57

Finding the Fourth Proportional to 10,011,979.09, 15,009,062.03 and 3,620,810.57

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Solution

The fourth proportional to 10,011,979.09, 15,009,062.03 and 3,620,810.57 is: 5,427,994.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,011,979.09 : 15,009,062.03 = 3,620,810.57 : x
  2. Step 2: Convert to fraction form
    10,011,979.09/15,009,062.03 = 3,620,810.57/x
  3. Step 3: Cross multiply
    10,011,979.09x = 15,009,062.03 × 3,620,810.57
  4. Step 4: Simplify right side
    10,011,979.09x = 54,344,970,425,905.60
  5. Step 5: Solve for x
    x = 54,344,970,425,905.60/10,011,979.09
  6. Step 6: Final answer
    x = 5,427,994.80

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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.