Home / 12,960,605.20-19,440,907.80-10,834,841.20

Finding the Fourth Proportional to 12,960,605.20, 19,440,907.80 and 10,834,841.20

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Solution

The fourth proportional to 12,960,605.20, 19,440,907.80 and 10,834,841.20 is: 16,252,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,605.20 : 19,440,907.80 = 10,834,841.20 : x
  2. Step 2: Convert to fraction form
    12,960,605.20/19,440,907.80 = 10,834,841.20/x
  3. Step 3: Cross multiply
    12,960,605.20x = 19,440,907.80 × 10,834,841.20
  4. Step 4: Simplify right side
    12,960,605.20x = 210,639,148,796,841.34
  5. Step 5: Solve for x
    x = 210,639,148,796,841.34/12,960,605.20
  6. Step 6: Final answer
    x = 16,252,261.80

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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.