Home / 14,965,966.20-20,653,063.65-8,090,448.06

Finding the Fourth Proportional to 14,965,966.20, 20,653,063.65 and 8,090,448.06

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Solution

The fourth proportional to 14,965,966.20, 20,653,063.65 and 8,090,448.06 is: 11,164,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,965,966.20 : 20,653,063.65 = 8,090,448.06 : x
  2. Step 2: Convert to fraction form
    14,965,966.20/20,653,063.65 = 8,090,448.06/x
  3. Step 3: Cross multiply
    14,965,966.20x = 20,653,063.65 × 8,090,448.06
  4. Step 4: Simplify right side
    14,965,966.20x = 167,092,538,740,199
  5. Step 5: Solve for x
    x = 167,092,538,740,199/14,965,966.20
  6. Step 6: Final answer
    x = 11,164,834.70

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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.