Home / 14,387,664.80-21,581,497.20-12,456,106.40

Finding the Fourth Proportional to 14,387,664.80, 21,581,497.20 and 12,456,106.40

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Solution

The fourth proportional to 14,387,664.80, 21,581,497.20 and 12,456,106.40 is: 18,684,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,664.80 : 21,581,497.20 = 12,456,106.40 : x
  2. Step 2: Convert to fraction form
    14,387,664.80/21,581,497.20 = 12,456,106.40/x
  3. Step 3: Cross multiply
    14,387,664.80x = 21,581,497.20 × 12,456,106.40
  4. Step 4: Simplify right side
    14,387,664.80x = 268,821,425,394,502.09
  5. Step 5: Solve for x
    x = 268,821,425,394,502.09/14,387,664.80
  6. Step 6: Final answer
    x = 18,684,159.60

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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.