Home / 28,955,074.59-43,432,576.92-7,389,678.78

Finding the Fourth Proportional to 28,955,074.59, 43,432,576.92 and 7,389,678.78

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Solution

The fourth proportional to 28,955,074.59, 43,432,576.92 and 7,389,678.78 is: 11,084,509.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955,074.59 : 43,432,576.92 = 7,389,678.78 : x
  2. Step 2: Convert to fraction form
    28,955,074.59/43,432,576.92 = 7,389,678.78/x
  3. Step 3: Cross multiply
    28,955,074.59x = 43,432,576.92 × 7,389,678.78
  4. Step 4: Simplify right side
    28,955,074.59x = 320,952,792,026,441.81
  5. Step 5: Solve for x
    x = 320,952,792,026,441.81/28,955,074.59
  6. Step 6: Final answer
    x = 11,084,509.25

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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.