Home / 31,421,924.17-43,361,574.52-18,191,658.56

Finding the Fourth Proportional to 31,421,924.17, 43,361,574.52 and 18,191,658.56

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Solution

The fourth proportional to 31,421,924.17, 43,361,574.52 and 18,191,658.56 is: 25,104,094.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421,924.17 : 43,361,574.52 = 18,191,658.56 : x
  2. Step 2: Convert to fraction form
    31,421,924.17/43,361,574.52 = 18,191,658.56/x
  3. Step 3: Cross multiply
    31,421,924.17x = 43,361,574.52 × 18,191,658.56
  4. Step 4: Simplify right side
    31,421,924.17x = 788,818,958,291,835.88
  5. Step 5: Solve for x
    x = 788,818,958,291,835.88/31,421,924.17
  6. Step 6: Final answer
    x = 25,104,094.65

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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.