Home / 42,418,102.77-63,538,874.78-26,988,963.57

Finding the Fourth Proportional to 42,418,102.77, 63,538,874.78 and 26,988,963.57

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Solution

The fourth proportional to 42,418,102.77, 63,538,874.78 and 26,988,963.57 is: 40,427,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418,102.77 : 63,538,874.78 = 26,988,963.57 : x
  2. Step 2: Convert to fraction form
    42,418,102.77/63,538,874.78 = 26,988,963.57/x
  3. Step 3: Cross multiply
    42,418,102.77x = 63,538,874.78 × 26,988,963.57
  4. Step 4: Simplify right side
    42,418,102.77x = 1,714,848,376,263,572.50
  5. Step 5: Solve for x
    x = 1,714,848,376,263,572.50/42,418,102.77
  6. Step 6: Final answer
    x = 40,427,276.67

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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.