Home / 14,487,943.80-21,731,915.70-12,850,318.20

Finding the Fourth Proportional to 14,487,943.80, 21,731,915.70 and 12,850,318.20

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Solution

The fourth proportional to 14,487,943.80, 21,731,915.70 and 12,850,318.20 is: 19,275,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487,943.80 : 21,731,915.70 = 12,850,318.20 : x
  2. Step 2: Convert to fraction form
    14,487,943.80/21,731,915.70 = 12,850,318.20/x
  3. Step 3: Cross multiply
    14,487,943.80x = 21,731,915.70 × 12,850,318.20
  4. Step 4: Simplify right side
    14,487,943.80x = 279,262,031,840,575.72
  5. Step 5: Solve for x
    x = 279,262,031,840,575.72/14,487,943.80
  6. Step 6: Final answer
    x = 19,275,477.30

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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.