Home / 8,938,077.48-12,338,727.30-5,720,679.72

Finding the Fourth Proportional to 8,938,077.48, 12,338,727.30 and 5,720,679.72

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Solution

The fourth proportional to 8,938,077.48, 12,338,727.30 and 5,720,679.72 is: 7,897,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,077.48 : 12,338,727.30 = 5,720,679.72 : x
  2. Step 2: Convert to fraction form
    8,938,077.48/12,338,727.30 = 5,720,679.72/x
  3. Step 3: Cross multiply
    8,938,077.48x = 12,338,727.30 × 5,720,679.72
  4. Step 4: Simplify right side
    8,938,077.48x = 70,585,907,035,720.36
  5. Step 5: Solve for x
    x = 70,585,907,035,720.36/8,938,077.48
  6. Step 6: Final answer
    x = 7,897,213.60

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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.