Home / 9,989,444.08-13,785,432.76-5,405,765.44

Finding the Fourth Proportional to 9,989,444.08, 13,785,432.76 and 5,405,765.44

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Solution

The fourth proportional to 9,989,444.08, 13,785,432.76 and 5,405,765.44 is: 7,459,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,444.08 : 13,785,432.76 = 5,405,765.44 : x
  2. Step 2: Convert to fraction form
    9,989,444.08/13,785,432.76 = 5,405,765.44/x
  3. Step 3: Cross multiply
    9,989,444.08x = 13,785,432.76 × 5,405,765.44
  4. Step 4: Simplify right side
    9,989,444.08x = 74,520,815,989,451.81
  5. Step 5: Solve for x
    x = 74,520,815,989,451.81/9,989,444.08
  6. Step 6: Final answer
    x = 7,459,956.27

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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.