Home / 18,701,549.75-28,052,322.96-9,478,085.51

Finding the Fourth Proportional to 18,701,549.75, 28,052,322.96 and 9,478,085.51

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Solution

The fourth proportional to 18,701,549.75, 28,052,322.96 and 9,478,085.51 is: 14,217,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,549.75 : 28,052,322.96 = 9,478,085.51 : x
  2. Step 2: Convert to fraction form
    18,701,549.75/28,052,322.96 = 9,478,085.51/x
  3. Step 3: Cross multiply
    18,701,549.75x = 28,052,322.96 × 9,478,085.51
  4. Step 4: Simplify right side
    18,701,549.75x = 265,882,315,874,689.94
  5. Step 5: Solve for x
    x = 265,882,315,874,689.94/18,701,549.75
  6. Step 6: Final answer
    x = 14,217,127.42

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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.