Home / 8,847,220.79-12,206,697.48-5,706,155.36

Finding the Fourth Proportional to 8,847,220.79, 12,206,697.48 and 5,706,155.36

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Solution

The fourth proportional to 8,847,220.79, 12,206,697.48 and 5,706,155.36 is: 7,872,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847,220.79 : 12,206,697.48 = 5,706,155.36 : x
  2. Step 2: Convert to fraction form
    8,847,220.79/12,206,697.48 = 5,706,155.36/x
  3. Step 3: Cross multiply
    8,847,220.79x = 12,206,697.48 × 5,706,155.36
  4. Step 4: Simplify right side
    8,847,220.79x = 69,653,312,291,940.09
  5. Step 5: Solve for x
    x = 69,653,312,291,940.09/8,847,220.79
  6. Step 6: Final answer
    x = 7,872,903.14

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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.