Home / 30,571,854.44-42,190,168.02-17,521,615.40

Finding the Fourth Proportional to 30,571,854.44, 42,190,168.02 and 17,521,615.40

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Solution

The fourth proportional to 30,571,854.44, 42,190,168.02 and 17,521,615.40 is: 24,180,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,571,854.44 : 42,190,168.02 = 17,521,615.40 : x
  2. Step 2: Convert to fraction form
    30,571,854.44/42,190,168.02 = 17,521,615.40/x
  3. Step 3: Cross multiply
    30,571,854.44x = 42,190,168.02 × 17,521,615.40
  4. Step 4: Simplify right side
    30,571,854.44x = 739,239,897,707,819.50
  5. Step 5: Solve for x
    x = 739,239,897,707,819.50/30,571,854.44
  6. Step 6: Final answer
    x = 24,180,407.48

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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.