Home / 15,824,395.23-21,838,580.64-8,855,011.95

Finding the Fourth Proportional to 15,824,395.23, 21,838,580.64 and 8,855,011.95

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Solution

The fourth proportional to 15,824,395.23, 21,838,580.64 and 8,855,011.95 is: 12,220,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824,395.23 : 21,838,580.64 = 8,855,011.95 : x
  2. Step 2: Convert to fraction form
    15,824,395.23/21,838,580.64 = 8,855,011.95/x
  3. Step 3: Cross multiply
    15,824,395.23x = 21,838,580.64 × 8,855,011.95
  4. Step 4: Simplify right side
    15,824,395.23x = 193,380,892,538,238.62
  5. Step 5: Solve for x
    x = 193,380,892,538,238.62/15,824,395.23
  6. Step 6: Final answer
    x = 12,220,428.63

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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.