Home / 28,534,520.31-42,792,789.47-9,360,809.43

Finding the Fourth Proportional to 28,534,520.31, 42,792,789.47 and 9,360,809.43

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Solution

The fourth proportional to 28,534,520.31, 42,792,789.47 and 9,360,809.43 is: 14,038,264.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,534,520.31 : 42,792,789.47 = 9,360,809.43 : x
  2. Step 2: Convert to fraction form
    28,534,520.31/42,792,789.47 = 9,360,809.43/x
  3. Step 3: Cross multiply
    28,534,520.31x = 42,792,789.47 × 9,360,809.43
  4. Step 4: Simplify right side
    28,534,520.31x = 400,575,147,206,780.69
  5. Step 5: Solve for x
    x = 400,575,147,206,780.69/28,534,520.31
  6. Step 6: Final answer
    x = 14,038,264.63

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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.