Home / 52,181,285.39-78,258,994.95-17,636,920.28

Finding the Fourth Proportional to 52,181,285.39, 78,258,994.95 and 17,636,920.28

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Solution

The fourth proportional to 52,181,285.39, 78,258,994.95 and 17,636,920.28 is: 26,451,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,181,285.39 : 78,258,994.95 = 17,636,920.28 : x
  2. Step 2: Convert to fraction form
    52,181,285.39/78,258,994.95 = 17,636,920.28/x
  3. Step 3: Cross multiply
    52,181,285.39x = 78,258,994.95 × 17,636,920.28
  4. Step 4: Simplify right side
    52,181,285.39x = 1,380,247,655,126,072.75
  5. Step 5: Solve for x
    x = 1,380,247,655,126,072.75/52,181,285.39
  6. Step 6: Final answer
    x = 26,451,009.11

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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.