Home / 10,342,380.70-14,271,925.62-5,695,257.48

Finding the Fourth Proportional to 10,342,380.70, 14,271,925.62 and 5,695,257.48

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Solution

The fourth proportional to 10,342,380.70, 14,271,925.62 and 5,695,257.48 is: 7,859,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,380.70 : 14,271,925.62 = 5,695,257.48 : x
  2. Step 2: Convert to fraction form
    10,342,380.70/14,271,925.62 = 5,695,257.48/x
  3. Step 3: Cross multiply
    10,342,380.70x = 14,271,925.62 × 5,695,257.48
  4. Step 4: Simplify right side
    10,342,380.70x = 81,282,291,141,308.64
  5. Step 5: Solve for x
    x = 81,282,291,141,308.64/10,342,380.70
  6. Step 6: Final answer
    x = 7,859,147.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.