Home / 22,531,878.80-31,094,001-12,218,599.16

Finding the Fourth Proportional to 22,531,878.80, 31,094,001 and 12,218,599.16

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Solution

The fourth proportional to 22,531,878.80, 31,094,001 and 12,218,599.16 is: 16,861,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,878.80 : 31,094,001 = 12,218,599.16 : x
  2. Step 2: Convert to fraction form
    22,531,878.80/31,094,001 = 12,218,599.16/x
  3. Step 3: Cross multiply
    22,531,878.80x = 31,094,001 × 12,218,599.16
  4. Step 4: Simplify right side
    22,531,878.80x = 379,925,134,344,169.12
  5. Step 5: Solve for x
    x = 379,925,134,344,169.12/22,531,878.80
  6. Step 6: Final answer
    x = 16,861,671.31

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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.