Home / 14,771,711.71-20,388,363.41-8,662,108.51

Finding the Fourth Proportional to 14,771,711.71, 20,388,363.41 and 8,662,108.51

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Solution

The fourth proportional to 14,771,711.71, 20,388,363.41 and 8,662,108.51 is: 11,955,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,711.71 : 20,388,363.41 = 8,662,108.51 : x
  2. Step 2: Convert to fraction form
    14,771,711.71/20,388,363.41 = 8,662,108.51/x
  3. Step 3: Cross multiply
    14,771,711.71x = 20,388,363.41 × 8,662,108.51
  4. Step 4: Simplify right side
    14,771,711.71x = 176,606,216,169,418
  5. Step 5: Solve for x
    x = 176,606,216,169,418/14,771,711.71
  6. Step 6: Final answer
    x = 11,955,704.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.