Home / 28,639,952.14-42,946,609.17-10,431,471.34

Finding the Fourth Proportional to 28,639,952.14, 42,946,609.17 and 10,431,471.34

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Solution

The fourth proportional to 28,639,952.14, 42,946,609.17 and 10,431,471.34 is: 15,642,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,639,952.14 : 42,946,609.17 = 10,431,471.34 : x
  2. Step 2: Convert to fraction form
    28,639,952.14/42,946,609.17 = 10,431,471.34/x
  3. Step 3: Cross multiply
    28,639,952.14x = 42,946,609.17 × 10,431,471.34
  4. Step 4: Simplify right side
    28,639,952.14x = 447,996,322,707,036.19
  5. Step 5: Solve for x
    x = 447,996,322,707,036.19/28,639,952.14
  6. Step 6: Final answer
    x = 15,642,355.84

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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.