Home / 22,531,901.84-31,094,032.80-12,218,622.20

Finding the Fourth Proportional to 22,531,901.84, 31,094,032.80 and 12,218,622.20

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Solution

The fourth proportional to 22,531,901.84, 31,094,032.80 and 12,218,622.20 is: 16,861,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,531,901.84 : 31,094,032.80 = 12,218,622.20 : x
  2. Step 2: Convert to fraction form
    22,531,901.84/31,094,032.80 = 12,218,622.20/x
  3. Step 3: Cross multiply
    22,531,901.84x = 31,094,032.80 × 12,218,622.20
  4. Step 4: Simplify right side
    22,531,901.84x = 379,926,239,457,608.12
  5. Step 5: Solve for x
    x = 379,926,239,457,608.12/22,531,901.84
  6. Step 6: Final answer
    x = 16,861,703.12

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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.