Home / 18,531,950.40-27,797,925.60-13,748,981.40

Finding the Fourth Proportional to 18,531,950.40, 27,797,925.60 and 13,748,981.40

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Solution

The fourth proportional to 18,531,950.40, 27,797,925.60 and 13,748,981.40 is: 20,623,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531,950.40 : 27,797,925.60 = 13,748,981.40 : x
  2. Step 2: Convert to fraction form
    18,531,950.40/27,797,925.60 = 13,748,981.40/x
  3. Step 3: Cross multiply
    18,531,950.40x = 27,797,925.60 × 13,748,981.40
  4. Step 4: Simplify right side
    18,531,950.40x = 382,193,162,032,983.88
  5. Step 5: Solve for x
    x = 382,193,162,032,983.88/18,531,950.40
  6. Step 6: Final answer
    x = 20,623,472.10

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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.