Home / 13,791,082.88-19,031,693.48-7,993,227.66

Finding the Fourth Proportional to 13,791,082.88, 19,031,693.48 and 7,993,227.66

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Solution

The fourth proportional to 13,791,082.88, 19,031,693.48 and 7,993,227.66 is: 11,030,653.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,082.88 : 19,031,693.48 = 7,993,227.66 : x
  2. Step 2: Convert to fraction form
    13,791,082.88/19,031,693.48 = 7,993,227.66/x
  3. Step 3: Cross multiply
    13,791,082.88x = 19,031,693.48 × 7,993,227.66
  4. Step 4: Simplify right side
    13,791,082.88x = 152,124,658,701,011.53
  5. Step 5: Solve for x
    x = 152,124,658,701,011.53/13,791,082.88
  6. Step 6: Final answer
    x = 11,030,653.65

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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.