Home / 6,368,748.40-8,788,785.96-3,615,411.88

Finding the Fourth Proportional to 6,368,748.40, 8,788,785.96 and 3,615,411.88

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Solution

The fourth proportional to 6,368,748.40, 8,788,785.96 and 3,615,411.88 is: 4,989,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,748.40 : 8,788,785.96 = 3,615,411.88 : x
  2. Step 2: Convert to fraction form
    6,368,748.40/8,788,785.96 = 3,615,411.88/x
  3. Step 3: Cross multiply
    6,368,748.40x = 8,788,785.96 × 3,615,411.88
  4. Step 4: Simplify right side
    6,368,748.40x = 31,775,081,170,561.21
  5. Step 5: Solve for x
    x = 31,775,081,170,561.21/6,368,748.40
  6. Step 6: Final answer
    x = 4,989,219.10

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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.