Home / 12,271,347.18-16,965,070.11-9,210,247.02

Finding the Fourth Proportional to 12,271,347.18, 16,965,070.11 and 9,210,247.02

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Solution

The fourth proportional to 12,271,347.18, 16,965,070.11 and 9,210,247.02 is: 12,733,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271,347.18 : 16,965,070.11 = 9,210,247.02 : x
  2. Step 2: Convert to fraction form
    12,271,347.18/16,965,070.11 = 9,210,247.02/x
  3. Step 3: Cross multiply
    12,271,347.18x = 16,965,070.11 × 9,210,247.02
  4. Step 4: Simplify right side
    12,271,347.18x = 156,252,486,424,718.56
  5. Step 5: Solve for x
    x = 156,252,486,424,718.56/12,271,347.18
  6. Step 6: Final answer
    x = 12,733,115.94

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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.