Home / 7,449,021.60-11,173,532.40-4,425,712.80

Finding the Fourth Proportional to 7,449,021.60, 11,173,532.40 and 4,425,712.80

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Solution

The fourth proportional to 7,449,021.60, 11,173,532.40 and 4,425,712.80 is: 6,638,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449,021.60 : 11,173,532.40 = 4,425,712.80 : x
  2. Step 2: Convert to fraction form
    7,449,021.60/11,173,532.40 = 4,425,712.80/x
  3. Step 3: Cross multiply
    7,449,021.60x = 11,173,532.40 × 4,425,712.80
  4. Step 4: Simplify right side
    7,449,021.60x = 49,450,845,363,894.72
  5. Step 5: Solve for x
    x = 49,450,845,363,894.72/7,449,021.60
  6. Step 6: Final answer
    x = 6,638,569.20

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Double scale
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Similar ratio
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1.5x scale

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.