Home / 15,623,113.27-21,558,945.21-8,653,377.67

Finding the Fourth Proportional to 15,623,113.27, 21,558,945.21 and 8,653,377.67

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Solution

The fourth proportional to 15,623,113.27, 21,558,945.21 and 8,653,377.67 is: 11,941,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623,113.27 : 21,558,945.21 = 8,653,377.67 : x
  2. Step 2: Convert to fraction form
    15,623,113.27/21,558,945.21 = 8,653,377.67/x
  3. Step 3: Cross multiply
    15,623,113.27x = 21,558,945.21 × 8,653,377.67
  4. Step 4: Simplify right side
    15,623,113.27x = 186,557,695,068,967.47
  5. Step 5: Solve for x
    x = 186,557,695,068,967.47/15,623,113.27
  6. Step 6: Final answer
    x = 11,941,134.38

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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.