Home / 8,681,998.40-12,998,114.40-8,433,166.40

Finding the Fourth Proportional to 8,681,998.40, 12,998,114.40 and 8,433,166.40

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Solution

The fourth proportional to 8,681,998.40, 12,998,114.40 and 8,433,166.40 is: 12,625,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,998.40 : 12,998,114.40 = 8,433,166.40 : x
  2. Step 2: Convert to fraction form
    8,681,998.40/12,998,114.40 = 8,433,166.40/x
  3. Step 3: Cross multiply
    8,681,998.40x = 12,998,114.40 × 8,433,166.40
  4. Step 4: Simplify right side
    8,681,998.40x = 109,615,261,621,436.17
  5. Step 5: Solve for x
    x = 109,615,261,621,436.17/8,681,998.40
  6. Step 6: Final answer
    x = 12,625,579.57

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1.5x scale

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.