Home / 22,531,884.81-31,094,009.28-12,218,605.17

Finding the Fourth Proportional to 22,531,884.81, 31,094,009.28 and 12,218,605.17

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Solution

The fourth proportional to 22,531,884.81, 31,094,009.28 and 12,218,605.17 is: 16,861,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,884.81 : 31,094,009.28 = 12,218,605.17 : x
  2. Step 2: Convert to fraction form
    22,531,884.81/31,094,009.28 = 12,218,605.17/x
  3. Step 3: Cross multiply
    22,531,884.81x = 31,094,009.28 × 12,218,605.17
  4. Step 4: Simplify right side
    22,531,884.81x = 379,925,422,544,636
  5. Step 5: Solve for x
    x = 379,925,422,544,636/22,531,884.81
  6. Step 6: Final answer
    x = 16,861,679.60

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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.