Home / 9,914,128.76-13,681,460.85-5,563,205.24

Finding the Fourth Proportional to 9,914,128.76, 13,681,460.85 and 5,563,205.24

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Solution

The fourth proportional to 9,914,128.76, 13,681,460.85 and 5,563,205.24 is: 7,677,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914,128.76 : 13,681,460.85 = 5,563,205.24 : x
  2. Step 2: Convert to fraction form
    9,914,128.76/13,681,460.85 = 5,563,205.24/x
  3. Step 3: Cross multiply
    9,914,128.76x = 13,681,460.85 × 5,563,205.24
  4. Step 4: Simplify right side
    9,914,128.76x = 76,112,774,691,574.86
  5. Step 5: Solve for x
    x = 76,112,774,691,574.86/9,914,128.76
  6. Step 6: Final answer
    x = 7,677,202.56

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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.