Home / 28,156,848.96-42,241,494.24-10,205,486.40

Finding the Fourth Proportional to 28,156,848.96, 42,241,494.24 and 10,205,486.40

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Solution

The fourth proportional to 28,156,848.96, 42,241,494.24 and 10,205,486.40 is: 15,310,484.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156,848.96 : 42,241,494.24 = 10,205,486.40 : x
  2. Step 2: Convert to fraction form
    28,156,848.96/42,241,494.24 = 10,205,486.40/x
  3. Step 3: Cross multiply
    28,156,848.96x = 42,241,494.24 × 10,205,486.40
  4. Step 4: Simplify right side
    28,156,848.96x = 431,094,994,981,998.38
  5. Step 5: Solve for x
    x = 431,094,994,981,998.38/28,156,848.96
  6. Step 6: Final answer
    x = 15,310,484.34

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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.