Home / 28,996,721.01-40,015,193.65-15,765,897.73

Finding the Fourth Proportional to 28,996,721.01, 40,015,193.65 and 15,765,897.73

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Solution

The fourth proportional to 28,996,721.01, 40,015,193.65 and 15,765,897.73 is: 21,756,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,721.01 : 40,015,193.65 = 15,765,897.73 : x
  2. Step 2: Convert to fraction form
    28,996,721.01/40,015,193.65 = 15,765,897.73/x
  3. Step 3: Cross multiply
    28,996,721.01x = 40,015,193.65 × 15,765,897.73
  4. Step 4: Simplify right side
    28,996,721.01x = 630,875,450,732,045.38
  5. Step 5: Solve for x
    x = 630,875,450,732,045.38/28,996,721.01
  6. Step 6: Final answer
    x = 21,756,785.90

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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.