Home / 19,851,884.80-29,777,827.20-7,884,620.80

Finding the Fourth Proportional to 19,851,884.80, 29,777,827.20 and 7,884,620.80

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Solution

The fourth proportional to 19,851,884.80, 29,777,827.20 and 7,884,620.80 is: 11,826,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851,884.80 : 29,777,827.20 = 7,884,620.80 : x
  2. Step 2: Convert to fraction form
    19,851,884.80/29,777,827.20 = 7,884,620.80/x
  3. Step 3: Cross multiply
    19,851,884.80x = 29,777,827.20 × 7,884,620.80
  4. Step 4: Simplify right side
    19,851,884.80x = 234,786,875,719,925.75
  5. Step 5: Solve for x
    x = 234,786,875,719,925.75/19,851,884.80
  6. Step 6: Final answer
    x = 11,826,931.20

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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.