Home / 25,757,752.80-38,641,294.80-12,946,015.20

Finding the Fourth Proportional to 25,757,752.80, 38,641,294.80 and 12,946,015.20

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Solution

The fourth proportional to 25,757,752.80, 38,641,294.80 and 12,946,015.20 is: 19,421,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,757,752.80 : 38,641,294.80 = 12,946,015.20 : x
  2. Step 2: Convert to fraction form
    25,757,752.80/38,641,294.80 = 12,946,015.20/x
  3. Step 3: Cross multiply
    25,757,752.80x = 38,641,294.80 × 12,946,015.20
  4. Step 4: Simplify right side
    25,757,752.80x = 500,250,789,828,480.88
  5. Step 5: Solve for x
    x = 500,250,789,828,480.88/25,757,752.80
  6. Step 6: Final answer
    x = 19,421,367.76

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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.