Home / 10,358,820.64-15,538,697.52-7,505,339.68

Finding the Fourth Proportional to 10,358,820.64, 15,538,697.52 and 7,505,339.68

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Solution

The fourth proportional to 10,358,820.64, 15,538,697.52 and 7,505,339.68 is: 11,258,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,820.64 : 15,538,697.52 = 7,505,339.68 : x
  2. Step 2: Convert to fraction form
    10,358,820.64/15,538,697.52 = 7,505,339.68/x
  3. Step 3: Cross multiply
    10,358,820.64x = 15,538,697.52 × 7,505,339.68
  4. Step 4: Simplify right side
    10,358,820.64x = 116,623,203,072,373.58
  5. Step 5: Solve for x
    x = 116,623,203,072,373.58/10,358,820.64
  6. Step 6: Final answer
    x = 11,258,347.56

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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.