Home / 30,830,885.20-42,544,995.03-17,599,536.39

Finding the Fourth Proportional to 30,830,885.20, 42,544,995.03 and 17,599,536.39

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Solution

The fourth proportional to 30,830,885.20, 42,544,995.03 and 17,599,536.39 is: 24,286,431.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,830,885.20 : 42,544,995.03 = 17,599,536.39 : x
  2. Step 2: Convert to fraction form
    30,830,885.20/42,544,995.03 = 17,599,536.39/x
  3. Step 3: Cross multiply
    30,830,885.20x = 42,544,995.03 × 17,599,536.39
  4. Step 4: Simplify right side
    30,830,885.20x = 748,772,188,242,854.25
  5. Step 5: Solve for x
    x = 748,772,188,242,854.25/30,830,885.20
  6. Step 6: Final answer
    x = 24,286,431.72

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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.