Home / 30,592,015.20-42,218,184.96-16,842,258.72

Finding the Fourth Proportional to 30,592,015.20, 42,218,184.96 and 16,842,258.72

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Solution

The fourth proportional to 30,592,015.20, 42,218,184.96 and 16,842,258.72 is: 23,242,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592,015.20 : 42,218,184.96 = 16,842,258.72 : x
  2. Step 2: Convert to fraction form
    30,592,015.20/42,218,184.96 = 16,842,258.72/x
  3. Step 3: Cross multiply
    30,592,015.20x = 42,218,184.96 × 16,842,258.72
  4. Step 4: Simplify right side
    30,592,015.20x = 711,049,593,785,132.88
  5. Step 5: Solve for x
    x = 711,049,593,785,132.88/30,592,015.20
  6. Step 6: Final answer
    x = 23,242,979.88

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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.