Home / 19,208,278.28-28,812,466.32-7,848,726.92

Finding the Fourth Proportional to 19,208,278.28, 28,812,466.32 and 7,848,726.92

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Solution

The fourth proportional to 19,208,278.28, 28,812,466.32 and 7,848,726.92 is: 11,773,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,278.28 : 28,812,466.32 = 7,848,726.92 : x
  2. Step 2: Convert to fraction form
    19,208,278.28/28,812,466.32 = 7,848,726.92/x
  3. Step 3: Cross multiply
    19,208,278.28x = 28,812,466.32 × 7,848,726.92
  4. Step 4: Simplify right side
    19,208,278.28x = 226,141,180,037,377.34
  5. Step 5: Solve for x
    x = 226,141,180,037,377.34/19,208,278.28
  6. Step 6: Final answer
    x = 11,773,110.36

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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.