Home / 21,452,811.70-32,179,217.55-9,938,256.70

Finding the Fourth Proportional to 21,452,811.70, 32,179,217.55 and 9,938,256.70

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Solution

The fourth proportional to 21,452,811.70, 32,179,217.55 and 9,938,256.70 is: 14,907,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452,811.70 : 32,179,217.55 = 9,938,256.70 : x
  2. Step 2: Convert to fraction form
    21,452,811.70/32,179,217.55 = 9,938,256.70/x
  3. Step 3: Cross multiply
    21,452,811.70x = 32,179,217.55 × 9,938,256.70
  4. Step 4: Simplify right side
    21,452,811.70x = 319,805,324,417,045.06
  5. Step 5: Solve for x
    x = 319,805,324,417,045.06/21,452,811.70
  6. Step 6: Final answer
    x = 14,907,385.05

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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.