Home / 21,088,423.84-31,596,529.20-11,510,525.92

Finding the Fourth Proportional to 21,088,423.84, 31,596,529.20 and 11,510,525.92

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Solution

The fourth proportional to 21,088,423.84, 31,596,529.20 and 11,510,525.92 is: 17,246,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,088,423.84 : 31,596,529.20 = 11,510,525.92 : x
  2. Step 2: Convert to fraction form
    21,088,423.84/31,596,529.20 = 11,510,525.92/x
  3. Step 3: Cross multiply
    21,088,423.84x = 31,596,529.20 × 11,510,525.92
  4. Step 4: Simplify right side
    21,088,423.84x = 363,692,668,338,636.88
  5. Step 5: Solve for x
    x = 363,692,668,338,636.88/21,088,423.84
  6. Step 6: Final answer
    x = 17,246,081.12

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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.