Home / 18,445,414.32-27,669,130.52-7,663,805.28

Finding the Fourth Proportional to 18,445,414.32, 27,669,130.52 and 7,663,805.28

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Solution

The fourth proportional to 18,445,414.32, 27,669,130.52 and 7,663,805.28 is: 11,496,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,414.32 : 27,669,130.52 = 7,663,805.28 : x
  2. Step 2: Convert to fraction form
    18,445,414.32/27,669,130.52 = 7,663,805.28/x
  3. Step 3: Cross multiply
    18,445,414.32x = 27,669,130.52 × 7,663,805.28
  4. Step 4: Simplify right side
    18,445,414.32x = 212,050,828,572,185.16
  5. Step 5: Solve for x
    x = 212,050,828,572,185.16/18,445,414.32
  6. Step 6: Final answer
    x = 11,496,127.16

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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.