Home / 13,131,088.74-19,696,614.75-7,298,981.82

Finding the Fourth Proportional to 13,131,088.74, 19,696,614.75 and 7,298,981.82

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Solution

The fourth proportional to 13,131,088.74, 19,696,614.75 and 7,298,981.82 is: 10,948,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,131,088.74 : 19,696,614.75 = 7,298,981.82 : x
  2. Step 2: Convert to fraction form
    13,131,088.74/19,696,614.75 = 7,298,981.82/x
  3. Step 3: Cross multiply
    13,131,088.74x = 19,696,614.75 × 7,298,981.82
  4. Step 4: Simplify right side
    13,131,088.74x = 143,765,232,975,793.84
  5. Step 5: Solve for x
    x = 143,765,232,975,793.84/13,131,088.74
  6. Step 6: Final answer
    x = 10,948,462.52

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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.