Home / 28,859,060.70-43,289,143.27-9,428,340.26

Finding the Fourth Proportional to 28,859,060.70, 43,289,143.27 and 9,428,340.26

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Solution

The fourth proportional to 28,859,060.70, 43,289,143.27 and 9,428,340.26 is: 14,142,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,859,060.70 : 43,289,143.27 = 9,428,340.26 : x
  2. Step 2: Convert to fraction form
    28,859,060.70/43,289,143.27 = 9,428,340.26/x
  3. Step 3: Cross multiply
    28,859,060.70x = 43,289,143.27 × 9,428,340.26
  4. Step 4: Simplify right side
    28,859,060.70x = 408,144,772,398,101
  5. Step 5: Solve for x
    x = 408,144,772,398,101/28,859,060.70
  6. Step 6: Final answer
    x = 14,142,690.80

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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.