Home / 18,779,932.80-28,190,894.40-14,538,902.40

Finding the Fourth Proportional to 18,779,932.80, 28,190,894.40 and 14,538,902.40

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Solution

The fourth proportional to 18,779,932.80, 28,190,894.40 and 14,538,902.40 is: 21,824,607.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,932.80 : 28,190,894.40 = 14,538,902.40 : x
  2. Step 2: Convert to fraction form
    18,779,932.80/28,190,894.40 = 14,538,902.40/x
  3. Step 3: Cross multiply
    18,779,932.80x = 28,190,894.40 × 14,538,902.40
  4. Step 4: Simplify right side
    18,779,932.80x = 409,864,662,250,306.56
  5. Step 5: Solve for x
    x = 409,864,662,250,306.56/18,779,932.80
  6. Step 6: Final answer
    x = 21,824,607.50

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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.