Home / 10,884,745.62-15,015,923.19-7,018,508.70

Finding the Fourth Proportional to 10,884,745.62, 15,015,923.19 and 7,018,508.70

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Solution

The fourth proportional to 10,884,745.62, 15,015,923.19 and 7,018,508.70 is: 9,682,301.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884,745.62 : 15,015,923.19 = 7,018,508.70 : x
  2. Step 2: Convert to fraction form
    10,884,745.62/15,015,923.19 = 7,018,508.70/x
  3. Step 3: Cross multiply
    10,884,745.62x = 15,015,923.19 × 7,018,508.70
  4. Step 4: Simplify right side
    10,884,745.62x = 105,389,387,547,546.75
  5. Step 5: Solve for x
    x = 105,389,387,547,546.75/10,884,745.62
  6. Step 6: Final answer
    x = 9,682,301.38

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1.5x scale

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.