Home / 18,445,410.32-27,669,124.52-7,663,801.28

Finding the Fourth Proportional to 18,445,410.32, 27,669,124.52 and 7,663,801.28

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Solution

The fourth proportional to 18,445,410.32, 27,669,124.52 and 7,663,801.28 is: 11,496,121.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,410.32 : 27,669,124.52 = 7,663,801.28 : x
  2. Step 2: Convert to fraction form
    18,445,410.32/27,669,124.52 = 7,663,801.28/x
  3. Step 3: Cross multiply
    18,445,410.32x = 27,669,124.52 × 7,663,801.28
  4. Step 4: Simplify right side
    18,445,410.32x = 212,050,671,912,855.38
  5. Step 5: Solve for x
    x = 212,050,671,912,855.38/18,445,410.32
  6. Step 6: Final answer
    x = 11,496,121.16

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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.