Home / 25,754,532.80-38,636,464.80-12,942,795.20

Finding the Fourth Proportional to 25,754,532.80, 38,636,464.80 and 12,942,795.20

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Solution

The fourth proportional to 25,754,532.80, 38,636,464.80 and 12,942,795.20 is: 19,416,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754,532.80 : 38,636,464.80 = 12,942,795.20 : x
  2. Step 2: Convert to fraction form
    25,754,532.80/38,636,464.80 = 12,942,795.20/x
  3. Step 3: Cross multiply
    25,754,532.80x = 38,636,464.80 × 12,942,795.20
  4. Step 4: Simplify right side
    25,754,532.80x = 500,063,851,158,408.88
  5. Step 5: Solve for x
    x = 500,063,851,158,408.88/25,754,532.80
  6. Step 6: Final answer
    x = 19,416,537.47

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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.