Home / 21,168,000.33-31,752,000.49-16,390,425.93

Finding the Fourth Proportional to 21,168,000.33, 31,752,000.49 and 16,390,425.93

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Solution

The fourth proportional to 21,168,000.33, 31,752,000.49 and 16,390,425.93 is: 24,585,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,000.33 : 31,752,000.49 = 16,390,425.93 : x
  2. Step 2: Convert to fraction form
    21,168,000.33/31,752,000.49 = 16,390,425.93/x
  3. Step 3: Cross multiply
    21,168,000.33x = 31,752,000.49 × 16,390,425.93
  4. Step 4: Simplify right side
    21,168,000.33x = 520,428,812,160,668.69
  5. Step 5: Solve for x
    x = 520,428,812,160,668.69/21,168,000.33
  6. Step 6: Final answer
    x = 24,585,638.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.