Home / 20,236,497.60-30,354,746.40-5,090,429.10

Finding the Fourth Proportional to 20,236,497.60, 30,354,746.40 and 5,090,429.10

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Solution

The fourth proportional to 20,236,497.60, 30,354,746.40 and 5,090,429.10 is: 7,635,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236,497.60 : 30,354,746.40 = 5,090,429.10 : x
  2. Step 2: Convert to fraction form
    20,236,497.60/30,354,746.40 = 5,090,429.10/x
  3. Step 3: Cross multiply
    20,236,497.60x = 30,354,746.40 × 5,090,429.10
  4. Step 4: Simplify right side
    20,236,497.60x = 154,518,684,397,680.22
  5. Step 5: Solve for x
    x = 154,518,684,397,680.22/20,236,497.60
  6. Step 6: Final answer
    x = 7,635,643.65

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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.