Home / 19,244,871.20-28,867,306.80-5,779,949.60

Finding the Fourth Proportional to 19,244,871.20, 28,867,306.80 and 5,779,949.60

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Solution

The fourth proportional to 19,244,871.20, 28,867,306.80 and 5,779,949.60 is: 8,669,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244,871.20 : 28,867,306.80 = 5,779,949.60 : x
  2. Step 2: Convert to fraction form
    19,244,871.20/28,867,306.80 = 5,779,949.60/x
  3. Step 3: Cross multiply
    19,244,871.20x = 28,867,306.80 × 5,779,949.60
  4. Step 4: Simplify right side
    19,244,871.20x = 166,851,578,391,737.28
  5. Step 5: Solve for x
    x = 166,851,578,391,737.28/19,244,871.20
  6. Step 6: Final answer
    x = 8,669,924.40

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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.