Home / 20,210,678.55-30,316,277.03-6,747,506.55

Finding the Fourth Proportional to 20,210,678.55, 30,316,277.03 and 6,747,506.55

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Solution

The fourth proportional to 20,210,678.55, 30,316,277.03 and 6,747,506.55 is: 10,121,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,210,678.55 : 30,316,277.03 = 6,747,506.55 : x
  2. Step 2: Convert to fraction form
    20,210,678.55/30,316,277.03 = 6,747,506.55/x
  3. Step 3: Cross multiply
    20,210,678.55x = 30,316,277.03 × 6,747,506.55
  4. Step 4: Simplify right side
    20,210,678.55x = 204,559,277,797,802
  5. Step 5: Solve for x
    x = 204,559,277,797,802/20,210,678.55
  6. Step 6: Final answer
    x = 10,121,346.36

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1.5x scale

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.