Home / 28,648,197.12-42,973,480.80-8,453,439.36

Finding the Fourth Proportional to 28,648,197.12, 42,973,480.80 and 8,453,439.36

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Solution

The fourth proportional to 28,648,197.12, 42,973,480.80 and 8,453,439.36 is: 12,680,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,648,197.12 : 42,973,480.80 = 8,453,439.36 : x
  2. Step 2: Convert to fraction form
    28,648,197.12/42,973,480.80 = 8,453,439.36/x
  3. Step 3: Cross multiply
    28,648,197.12x = 42,973,480.80 × 8,453,439.36
  4. Step 4: Simplify right side
    28,648,197.12x = 363,273,714,030,924.25
  5. Step 5: Solve for x
    x = 363,273,714,030,924.25/28,648,197.12
  6. Step 6: Final answer
    x = 12,680,508.74

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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.