Home / 21,302,430.15-31,953,645.23-9,944,026.95

Finding the Fourth Proportional to 21,302,430.15, 31,953,645.23 and 9,944,026.95

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Solution

The fourth proportional to 21,302,430.15, 31,953,645.23 and 9,944,026.95 is: 14,916,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,302,430.15 : 31,953,645.23 = 9,944,026.95 : x
  2. Step 2: Convert to fraction form
    21,302,430.15/31,953,645.23 = 9,944,026.95/x
  3. Step 3: Cross multiply
    21,302,430.15x = 31,953,645.23 × 9,944,026.95
  4. Step 4: Simplify right side
    21,302,430.15x = 317,747,909,268,138.81
  5. Step 5: Solve for x
    x = 317,747,909,268,138.81/21,302,430.15
  6. Step 6: Final answer
    x = 14,916,040.43

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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.