Home / 22,558,988.86-31,131,444.12-12,245,718.94

Finding the Fourth Proportional to 22,558,988.86, 31,131,444.12 and 12,245,718.94

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Solution

The fourth proportional to 22,558,988.86, 31,131,444.12 and 12,245,718.94 is: 16,899,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558,988.86 : 31,131,444.12 = 12,245,718.94 : x
  2. Step 2: Convert to fraction form
    22,558,988.86/31,131,444.12 = 12,245,718.94/x
  3. Step 3: Cross multiply
    22,558,988.86x = 31,131,444.12 × 12,245,718.94
  4. Step 4: Simplify right side
    22,558,988.86x = 381,226,914,889,835.62
  5. Step 5: Solve for x
    x = 381,226,914,889,835.62/22,558,988.86
  6. Step 6: Final answer
    x = 16,899,113.58

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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.