Home / 30,112,353.64-41,554,449.66-16,361,416.18

Finding the Fourth Proportional to 30,112,353.64, 41,554,449.66 and 16,361,416.18

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Solution

The fourth proportional to 30,112,353.64, 41,554,449.66 and 16,361,416.18 is: 22,578,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112,353.64 : 41,554,449.66 = 16,361,416.18 : x
  2. Step 2: Convert to fraction form
    30,112,353.64/41,554,449.66 = 16,361,416.18/x
  3. Step 3: Cross multiply
    30,112,353.64x = 41,554,449.66 × 16,361,416.18
  4. Step 4: Simplify right side
    30,112,353.64x = 679,889,645,018,119.38
  5. Step 5: Solve for x
    x = 679,889,645,018,119.38/30,112,353.64
  6. Step 6: Final answer
    x = 22,578,429.21

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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.