Home / 14,043,362.40-21,065,043.60-9,788,335.20

Finding the Fourth Proportional to 14,043,362.40, 21,065,043.60 and 9,788,335.20

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Solution

The fourth proportional to 14,043,362.40, 21,065,043.60 and 9,788,335.20 is: 14,682,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043,362.40 : 21,065,043.60 = 9,788,335.20 : x
  2. Step 2: Convert to fraction form
    14,043,362.40/21,065,043.60 = 9,788,335.20/x
  3. Step 3: Cross multiply
    14,043,362.40x = 21,065,043.60 × 9,788,335.20
  4. Step 4: Simplify right side
    14,043,362.40x = 206,191,707,759,414.72
  5. Step 5: Solve for x
    x = 206,191,707,759,414.72/14,043,362.40
  6. Step 6: Final answer
    x = 14,682,502.80

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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.