Home / 15,000,531.96-20,700,740.04-8,124,992.76

Finding the Fourth Proportional to 15,000,531.96, 20,700,740.04 and 8,124,992.76

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Solution

The fourth proportional to 15,000,531.96, 20,700,740.04 and 8,124,992.76 is: 11,212,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,000,531.96 : 20,700,740.04 = 8,124,992.76 : x
  2. Step 2: Convert to fraction form
    15,000,531.96/20,700,740.04 = 8,124,992.76/x
  3. Step 3: Cross multiply
    15,000,531.96x = 20,700,740.04 × 8,124,992.76
  4. Step 4: Simplify right side
    15,000,531.96x = 168,193,362,951,642.09
  5. Step 5: Solve for x
    x = 168,193,362,951,642.09/15,000,531.96
  6. Step 6: Final answer
    x = 11,212,493.22

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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.