Home / 8,938,114.48-12,338,778.40-5,720,716.72

Finding the Fourth Proportional to 8,938,114.48, 12,338,778.40 and 5,720,716.72

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Solution

The fourth proportional to 8,938,114.48, 12,338,778.40 and 5,720,716.72 is: 7,897,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,114.48 : 12,338,778.40 = 5,720,716.72 : x
  2. Step 2: Convert to fraction form
    8,938,114.48/12,338,778.40 = 5,720,716.72/x
  3. Step 3: Cross multiply
    8,938,114.48x = 12,338,778.40 × 5,720,716.72
  4. Step 4: Simplify right side
    8,938,114.48x = 70,586,655,897,254.84
  5. Step 5: Solve for x
    x = 70,586,655,897,254.84/8,938,114.48
  6. Step 6: Final answer
    x = 7,897,264.69

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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.