Home / 16,066,853.81-22,172,177.95-8,724,621.57

Finding the Fourth Proportional to 16,066,853.81, 22,172,177.95 and 8,724,621.57

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Solution

The fourth proportional to 16,066,853.81, 22,172,177.95 and 8,724,621.57 is: 12,039,934.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,066,853.81 : 22,172,177.95 = 8,724,621.57 : x
  2. Step 2: Convert to fraction form
    16,066,853.81/22,172,177.95 = 8,724,621.57/x
  3. Step 3: Cross multiply
    16,066,853.81x = 22,172,177.95 × 8,724,621.57
  4. Step 4: Simplify right side
    16,066,853.81x = 193,443,861,996,448.38
  5. Step 5: Solve for x
    x = 193,443,861,996,448.38/16,066,853.81
  6. Step 6: Final answer
    x = 12,039,934.16

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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.