Home / 10,262,018.64-15,398,339.40-7,445,378.64

Finding the Fourth Proportional to 10,262,018.64, 15,398,339.40 and 7,445,378.64

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Solution

The fourth proportional to 10,262,018.64, 15,398,339.40 and 7,445,378.64 is: 11,171,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,262,018.64 : 15,398,339.40 = 7,445,378.64 : x
  2. Step 2: Convert to fraction form
    10,262,018.64/15,398,339.40 = 7,445,378.64/x
  3. Step 3: Cross multiply
    10,262,018.64x = 15,398,339.40 × 7,445,378.64
  4. Step 4: Simplify right side
    10,262,018.64x = 114,646,467,260,230.41
  5. Step 5: Solve for x
    x = 114,646,467,260,230.41/10,262,018.64
  6. Step 6: Final answer
    x = 11,171,921.56

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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.