Home / 23,133,920.40-31,884,962.04-15,385,116.96

Finding the Fourth Proportional to 23,133,920.40, 31,884,962.04 and 15,385,116.96

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Solution

The fourth proportional to 23,133,920.40, 31,884,962.04 and 15,385,116.96 is: 21,204,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,920.40 : 31,884,962.04 = 15,385,116.96 : x
  2. Step 2: Convert to fraction form
    23,133,920.40/31,884,962.04 = 15,385,116.96/x
  3. Step 3: Cross multiply
    23,133,920.40x = 31,884,962.04 × 15,385,116.96
  4. Step 4: Simplify right side
    23,133,920.40x = 490,553,870,250,560.19
  5. Step 5: Solve for x
    x = 490,553,870,250,560.19/23,133,920.40
  6. Step 6: Final answer
    x = 21,204,960.58

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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.