Home / 30,074,820.83-45,121,946.64-13,911,374.97

Finding the Fourth Proportional to 30,074,820.83, 45,121,946.64 and 13,911,374.97

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Solution

The fourth proportional to 30,074,820.83, 45,121,946.64 and 13,911,374.97 is: 20,871,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074,820.83 : 45,121,946.64 = 13,911,374.97 : x
  2. Step 2: Convert to fraction form
    30,074,820.83/45,121,946.64 = 13,911,374.97/x
  3. Step 3: Cross multiply
    30,074,820.83x = 45,121,946.64 × 13,911,374.97
  4. Step 4: Simplify right side
    30,074,820.83x = 627,708,319,085,371.62
  5. Step 5: Solve for x
    x = 627,708,319,085,371.62/30,074,820.83
  6. Step 6: Final answer
    x = 20,871,556.40

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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.