Home / 31,621,415.24-43,632,727.35-17,865,360.20

Finding the Fourth Proportional to 31,621,415.24, 43,632,727.35 and 17,865,360.20

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Solution

The fourth proportional to 31,621,415.24, 43,632,727.35 and 17,865,360.20 is: 24,651,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,621,415.24 : 43,632,727.35 = 17,865,360.20 : x
  2. Step 2: Convert to fraction form
    31,621,415.24/43,632,727.35 = 17,865,360.20/x
  3. Step 3: Cross multiply
    31,621,415.24x = 43,632,727.35 × 17,865,360.20
  4. Step 4: Simplify right side
    31,621,415.24x = 779,514,390,658,228.12
  5. Step 5: Solve for x
    x = 779,514,390,658,228.12/31,621,415.24
  6. Step 6: Final answer
    x = 24,651,470.68

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1.5x scale

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.