Home / 20,258,885.08-27,957,248.58-11,091,525.40

Finding the Fourth Proportional to 20,258,885.08, 27,957,248.58 and 11,091,525.40

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Solution

The fourth proportional to 20,258,885.08, 27,957,248.58 and 11,091,525.40 is: 15,306,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,885.08 : 27,957,248.58 = 11,091,525.40 : x
  2. Step 2: Convert to fraction form
    20,258,885.08/27,957,248.58 = 11,091,525.40/x
  3. Step 3: Cross multiply
    20,258,885.08x = 27,957,248.58 × 11,091,525.40
  4. Step 4: Simplify right side
    20,258,885.08x = 310,088,532,739,183.94
  5. Step 5: Solve for x
    x = 310,088,532,739,183.94/20,258,885.08
  6. Step 6: Final answer
    x = 15,306,298.03

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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.