Home / 20,502,541.28-30,768,952.23-9,719,880

Finding the Fourth Proportional to 20,502,541.28, 30,768,952.23 and 9,719,880

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Solution

The fourth proportional to 20,502,541.28, 30,768,952.23 and 9,719,880 is: 14,586,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,541.28 : 30,768,952.23 = 9,719,880 : x
  2. Step 2: Convert to fraction form
    20,502,541.28/30,768,952.23 = 9,719,880/x
  3. Step 3: Cross multiply
    20,502,541.28x = 30,768,952.23 × 9,719,880
  4. Step 4: Simplify right side
    20,502,541.28x = 299,070,523,401,332.38
  5. Step 5: Solve for x
    x = 299,070,523,401,332.38/20,502,541.28
  6. Step 6: Final answer
    x = 14,586,997.74

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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.