Home / 21,041,712.96-31,534,664.88-10,806,159.84

Finding the Fourth Proportional to 21,041,712.96, 31,534,664.88 and 10,806,159.84

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Solution

The fourth proportional to 21,041,712.96, 31,534,664.88 and 10,806,159.84 is: 16,194,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,041,712.96 : 31,534,664.88 = 10,806,159.84 : x
  2. Step 2: Convert to fraction form
    21,041,712.96/31,534,664.88 = 10,806,159.84/x
  3. Step 3: Cross multiply
    21,041,712.96x = 31,534,664.88 × 10,806,159.84
  4. Step 4: Simplify right side
    21,041,712.96x = 340,768,629,194,114.38
  5. Step 5: Solve for x
    x = 340,768,629,194,114.38/21,041,712.96
  6. Step 6: Final answer
    x = 16,194,909.12

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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.