Home / 19,628,166.48-29,468,799.72-13,547,780.88

Finding the Fourth Proportional to 19,628,166.48, 29,468,799.72 and 13,547,780.88

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Solution

The fourth proportional to 19,628,166.48, 29,468,799.72 and 13,547,780.88 is: 20,339,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628,166.48 : 29,468,799.72 = 13,547,780.88 : x
  2. Step 2: Convert to fraction form
    19,628,166.48/29,468,799.72 = 13,547,780.88/x
  3. Step 3: Cross multiply
    19,628,166.48x = 29,468,799.72 × 13,547,780.88
  4. Step 4: Simplify right side
    19,628,166.48x = 399,236,841,403,165.38
  5. Step 5: Solve for x
    x = 399,236,841,403,165.38/19,628,166.48
  6. Step 6: Final answer
    x = 20,339,996.70

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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.