Home / 8,681,714.40-13,019,461.20-4,420,466.40

Finding the Fourth Proportional to 8,681,714.40, 13,019,461.20 and 4,420,466.40

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Solution

The fourth proportional to 8,681,714.40, 13,019,461.20 and 4,420,466.40 is: 6,629,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681,714.40 : 13,019,461.20 = 4,420,466.40 : x
  2. Step 2: Convert to fraction form
    8,681,714.40/13,019,461.20 = 4,420,466.40/x
  3. Step 3: Cross multiply
    8,681,714.40x = 13,019,461.20 × 4,420,466.40
  4. Step 4: Simplify right side
    8,681,714.40x = 57,552,090,780,703.68
  5. Step 5: Solve for x
    x = 57,552,090,780,703.68/8,681,714.40
  6. Step 6: Final answer
    x = 6,629,115.88

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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.