Home / 28,202,426.20-42,306,749.70-9,029,920.60

Finding the Fourth Proportional to 28,202,426.20, 42,306,749.70 and 9,029,920.60

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Solution

The fourth proportional to 28,202,426.20, 42,306,749.70 and 9,029,920.60 is: 13,545,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,426.20 : 42,306,749.70 = 9,029,920.60 : x
  2. Step 2: Convert to fraction form
    28,202,426.20/42,306,749.70 = 9,029,920.60/x
  3. Step 3: Cross multiply
    28,202,426.20x = 42,306,749.70 × 9,029,920.60
  4. Step 4: Simplify right side
    28,202,426.20x = 382,026,590,635,073.81
  5. Step 5: Solve for x
    x = 382,026,590,635,073.81/28,202,426.20
  6. Step 6: Final answer
    x = 13,545,876.80

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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.