Home / 30,276,966.57-45,422,404.51-8,711,746.89

Finding the Fourth Proportional to 30,276,966.57, 45,422,404.51 and 8,711,746.89

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Solution

The fourth proportional to 30,276,966.57, 45,422,404.51 and 8,711,746.89 is: 13,069,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276,966.57 : 45,422,404.51 = 8,711,746.89 : x
  2. Step 2: Convert to fraction form
    30,276,966.57/45,422,404.51 = 8,711,746.89/x
  3. Step 3: Cross multiply
    30,276,966.57x = 45,422,404.51 × 8,711,746.89
  4. Step 4: Simplify right side
    30,276,966.57x = 395,708,491,248,093.88
  5. Step 5: Solve for x
    x = 395,708,491,248,093.88/30,276,966.57
  6. Step 6: Final answer
    x = 13,069,621.43

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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.