Home / 18,671,370.10-28,007,055.15-17,236,479.40

Finding the Fourth Proportional to 18,671,370.10, 28,007,055.15 and 17,236,479.40

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Solution

The fourth proportional to 18,671,370.10, 28,007,055.15 and 17,236,479.40 is: 25,854,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671,370.10 : 28,007,055.15 = 17,236,479.40 : x
  2. Step 2: Convert to fraction form
    18,671,370.10/28,007,055.15 = 17,236,479.40/x
  3. Step 3: Cross multiply
    18,671,370.10x = 28,007,055.15 × 17,236,479.40
  4. Step 4: Simplify right side
    18,671,370.10x = 482,743,029,147,638.81
  5. Step 5: Solve for x
    x = 482,743,029,147,638.81/18,671,370.10
  6. Step 6: Final answer
    x = 25,854,719.10

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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.