Home / 7,391,897.19-10,200,709.08-4,128,759.54

Finding the Fourth Proportional to 7,391,897.19, 10,200,709.08 and 4,128,759.54

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Solution

The fourth proportional to 7,391,897.19, 10,200,709.08 and 4,128,759.54 is: 5,697,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391,897.19 : 10,200,709.08 = 4,128,759.54 : x
  2. Step 2: Convert to fraction form
    7,391,897.19/10,200,709.08 = 4,128,759.54/x
  3. Step 3: Cross multiply
    7,391,897.19x = 10,200,709.08 × 4,128,759.54
  4. Step 4: Simplify right side
    7,391,897.19x = 42,116,274,928,814.62
  5. Step 5: Solve for x
    x = 42,116,274,928,814.62/7,391,897.19
  6. Step 6: Final answer
    x = 5,697,627.26

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1.5x scale

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.