Home / 28,912,515.75-43,354,823.45-16,785,032.13

Finding the Fourth Proportional to 28,912,515.75, 43,354,823.45 and 16,785,032.13

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Solution

The fourth proportional to 28,912,515.75, 43,354,823.45 and 16,785,032.13 is: 25,169,449.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,515.75 : 43,354,823.45 = 16,785,032.13 : x
  2. Step 2: Convert to fraction form
    28,912,515.75/43,354,823.45 = 16,785,032.13/x
  3. Step 3: Cross multiply
    28,912,515.75x = 43,354,823.45 × 16,785,032.13
  4. Step 4: Simplify right side
    28,912,515.75x = 727,712,104,514,802.25
  5. Step 5: Solve for x
    x = 727,712,104,514,802.25/28,912,515.75
  6. Step 6: Final answer
    x = 25,169,449.48

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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.