Home / 15,328,187-21,151,932.54-8,797,220

Finding the Fourth Proportional to 15,328,187, 21,151,932.54 and 8,797,220

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Solution

The fourth proportional to 15,328,187, 21,151,932.54 and 8,797,220 is: 12,139,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328,187 : 21,151,932.54 = 8,797,220 : x
  2. Step 2: Convert to fraction form
    15,328,187/21,151,932.54 = 8,797,220/x
  3. Step 3: Cross multiply
    15,328,187x = 21,151,932.54 × 8,797,220
  4. Step 4: Simplify right side
    15,328,187x = 186,078,203,979,538.78
  5. Step 5: Solve for x
    x = 186,078,203,979,538.78/15,328,187
  6. Step 6: Final answer
    x = 12,139,609.46

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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.