Home / 15,800,187.04-21,806,031.32-8,925,111.88

Finding the Fourth Proportional to 15,800,187.04, 21,806,031.32 and 8,925,111.88

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Solution

The fourth proportional to 15,800,187.04, 21,806,031.32 and 8,925,111.88 is: 12,317,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,187.04 : 21,806,031.32 = 8,925,111.88 : x
  2. Step 2: Convert to fraction form
    15,800,187.04/21,806,031.32 = 8,925,111.88/x
  3. Step 3: Cross multiply
    15,800,187.04x = 21,806,031.32 × 8,925,111.88
  4. Step 4: Simplify right side
    15,800,187.04x = 194,621,269,189,784.09
  5. Step 5: Solve for x
    x = 194,621,269,189,784.09/15,800,187.04
  6. Step 6: Final answer
    x = 12,317,656.03

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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.