Home / 21,919,624.74-30,248,783.01-12,129,472.44

Finding the Fourth Proportional to 21,919,624.74, 30,248,783.01 and 12,129,472.44

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Solution

The fourth proportional to 21,919,624.74, 30,248,783.01 and 12,129,472.44 is: 16,738,506.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919,624.74 : 30,248,783.01 = 12,129,472.44 : x
  2. Step 2: Convert to fraction form
    21,919,624.74/30,248,783.01 = 12,129,472.44/x
  3. Step 3: Cross multiply
    21,919,624.74x = 30,248,783.01 × 12,129,472.44
  4. Step 4: Simplify right side
    21,919,624.74x = 366,901,779,863,335.25
  5. Step 5: Solve for x
    x = 366,901,779,863,335.25/21,919,624.74
  6. Step 6: Final answer
    x = 16,738,506.44

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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.