Home / 7,019,038.80-10,536,431.40-5,428,652.40

Finding the Fourth Proportional to 7,019,038.80, 10,536,431.40 and 5,428,652.40

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Solution

The fourth proportional to 7,019,038.80, 10,536,431.40 and 5,428,652.40 is: 8,149,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,038.80 : 10,536,431.40 = 5,428,652.40 : x
  2. Step 2: Convert to fraction form
    7,019,038.80/10,536,431.40 = 5,428,652.40/x
  3. Step 3: Cross multiply
    7,019,038.80x = 10,536,431.40 × 5,428,652.40
  4. Step 4: Simplify right side
    7,019,038.80x = 57,198,623,607,045.37
  5. Step 5: Solve for x
    x = 57,198,623,607,045.37/7,019,038.80
  6. Step 6: Final answer
    x = 8,149,067.88

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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.