Home / 15,802,196.70-21,808,801.22-8,927,121.63

Finding the Fourth Proportional to 15,802,196.70, 21,808,801.22 and 8,927,121.63

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Solution

The fourth proportional to 15,802,196.70, 21,808,801.22 and 8,927,121.63 is: 12,320,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,802,196.70 : 21,808,801.22 = 8,927,121.63 : x
  2. Step 2: Convert to fraction form
    15,802,196.70/21,808,801.22 = 8,927,121.63/x
  3. Step 3: Cross multiply
    15,802,196.70x = 21,808,801.22 × 8,927,121.63
  4. Step 4: Simplify right side
    15,802,196.70x = 194,689,821,095,432.41
  5. Step 5: Solve for x
    x = 194,689,821,095,432.41/15,802,196.70
  6. Step 6: Final answer
    x = 12,320,427.65

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1.5x scale

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.