Home / 28,653,605.70-42,980,408.55-26,972,607.30

Finding the Fourth Proportional to 28,653,605.70, 42,980,408.55 and 26,972,607.30

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Solution

The fourth proportional to 28,653,605.70, 42,980,408.55 and 26,972,607.30 is: 40,458,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653,605.70 : 42,980,408.55 = 26,972,607.30 : x
  2. Step 2: Convert to fraction form
    28,653,605.70/42,980,408.55 = 26,972,607.30/x
  3. Step 3: Cross multiply
    28,653,605.70x = 42,980,408.55 × 26,972,607.30
  4. Step 4: Simplify right side
    28,653,605.70x = 1,159,293,681,412,712.25
  5. Step 5: Solve for x
    x = 1,159,293,681,412,712.25/28,653,605.70
  6. Step 6: Final answer
    x = 40,458,910.95

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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.