Home / 8,640,273.70-12,960,410.55-2,655,864.10

Finding the Fourth Proportional to 8,640,273.70, 12,960,410.55 and 2,655,864.10

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Solution

The fourth proportional to 8,640,273.70, 12,960,410.55 and 2,655,864.10 is: 3,983,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,273.70 : 12,960,410.55 = 2,655,864.10 : x
  2. Step 2: Convert to fraction form
    8,640,273.70/12,960,410.55 = 2,655,864.10/x
  3. Step 3: Cross multiply
    8,640,273.70x = 12,960,410.55 × 2,655,864.10
  4. Step 4: Simplify right side
    8,640,273.70x = 34,421,089,101,006.26
  5. Step 5: Solve for x
    x = 34,421,089,101,006.26/8,640,273.70
  6. Step 6: Final answer
    x = 3,983,796.15

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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.