Home / 19,426,972.16-29,135,380.80-5,776,442.36

Finding the Fourth Proportional to 19,426,972.16, 29,135,380.80 and 5,776,442.36

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Solution

The fourth proportional to 19,426,972.16, 29,135,380.80 and 5,776,442.36 is: 8,663,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426,972.16 : 29,135,380.80 = 5,776,442.36 : x
  2. Step 2: Convert to fraction form
    19,426,972.16/29,135,380.80 = 5,776,442.36/x
  3. Step 3: Cross multiply
    19,426,972.16x = 29,135,380.80 × 5,776,442.36
  4. Step 4: Simplify right side
    19,426,972.16x = 168,298,847,827,850.69
  5. Step 5: Solve for x
    x = 168,298,847,827,850.69/19,426,972.16
  6. Step 6: Final answer
    x = 8,663,153.81

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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.