Home / 18,215,570.40-27,291,862.80-8,610,266.40

Finding the Fourth Proportional to 18,215,570.40, 27,291,862.80 and 8,610,266.40

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Solution

The fourth proportional to 18,215,570.40, 27,291,862.80 and 8,610,266.40 is: 12,900,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215,570.40 : 27,291,862.80 = 8,610,266.40 : x
  2. Step 2: Convert to fraction form
    18,215,570.40/27,291,862.80 = 8,610,266.40/x
  3. Step 3: Cross multiply
    18,215,570.40x = 27,291,862.80 × 8,610,266.40
  4. Step 4: Simplify right side
    18,215,570.40x = 234,990,209,260,249.94
  5. Step 5: Solve for x
    x = 234,990,209,260,249.94/18,215,570.40
  6. Step 6: Final answer
    x = 12,900,513.36

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1.5x scale

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.