Home / 7,391,885.50-10,200,694.44-4,128,746.68

Finding the Fourth Proportional to 7,391,885.50, 10,200,694.44 and 4,128,746.68

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Solution

The fourth proportional to 7,391,885.50, 10,200,694.44 and 4,128,746.68 is: 5,697,610.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391,885.50 : 10,200,694.44 = 4,128,746.68 : x
  2. Step 2: Convert to fraction form
    7,391,885.50/10,200,694.44 = 4,128,746.68/x
  3. Step 3: Cross multiply
    7,391,885.50x = 10,200,694.44 × 4,128,746.68
  4. Step 4: Simplify right side
    7,391,885.50x = 42,116,083,302,844.46
  5. Step 5: Solve for x
    x = 42,116,083,302,844.46/7,391,885.50
  6. Step 6: Final answer
    x = 5,697,610.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.