Home / 15,229,188-21,016,279.44-8,353,686.47

Finding the Fourth Proportional to 15,229,188, 21,016,279.44 and 8,353,686.47

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Solution

The fourth proportional to 15,229,188, 21,016,279.44 and 8,353,686.47 is: 11,528,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229,188 : 21,016,279.44 = 8,353,686.47 : x
  2. Step 2: Convert to fraction form
    15,229,188/21,016,279.44 = 8,353,686.47/x
  3. Step 3: Cross multiply
    15,229,188x = 21,016,279.44 × 8,353,686.47
  4. Step 4: Simplify right side
    15,229,188x = 175,563,409,102,585.78
  5. Step 5: Solve for x
    x = 175,563,409,102,585.78/15,229,188
  6. Step 6: Final answer
    x = 11,528,087.32

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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.