Home / 21,985,944.32-32,979,128.88-8,335,419.68

Finding the Fourth Proportional to 21,985,944.32, 32,979,128.88 and 8,335,419.68

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Solution

The fourth proportional to 21,985,944.32, 32,979,128.88 and 8,335,419.68 is: 12,503,210.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,985,944.32 : 32,979,128.88 = 8,335,419.68 : x
  2. Step 2: Convert to fraction form
    21,985,944.32/32,979,128.88 = 8,335,419.68/x
  3. Step 3: Cross multiply
    21,985,944.32x = 32,979,128.88 × 8,335,419.68
  4. Step 4: Simplify right side
    21,985,944.32x = 274,894,879,895,608.34
  5. Step 5: Solve for x
    x = 274,894,879,895,608.34/21,985,944.32
  6. Step 6: Final answer
    x = 12,503,210.05

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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.