Home / 18,281,301.84-25,227,835.80-10,021,381.92

Finding the Fourth Proportional to 18,281,301.84, 25,227,835.80 and 10,021,381.92

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Solution

The fourth proportional to 18,281,301.84, 25,227,835.80 and 10,021,381.92 is: 13,829,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281,301.84 : 25,227,835.80 = 10,021,381.92 : x
  2. Step 2: Convert to fraction form
    18,281,301.84/25,227,835.80 = 10,021,381.92/x
  3. Step 3: Cross multiply
    18,281,301.84x = 25,227,835.80 × 10,021,381.92
  4. Step 4: Simplify right side
    18,281,301.84x = 252,817,777,566,848.75
  5. Step 5: Solve for x
    x = 252,817,777,566,848.75/18,281,301.84
  6. Step 6: Final answer
    x = 13,829,309.30

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1.5x scale

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.