Home / 20,300,552.33-30,438,667.29-6,461,532.87

Finding the Fourth Proportional to 20,300,552.33, 30,438,667.29 and 6,461,532.87

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Solution

The fourth proportional to 20,300,552.33, 30,438,667.29 and 6,461,532.87 is: 9,688,428.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300,552.33 : 30,438,667.29 = 6,461,532.87 : x
  2. Step 2: Convert to fraction form
    20,300,552.33/30,438,667.29 = 6,461,532.87/x
  3. Step 3: Cross multiply
    20,300,552.33x = 30,438,667.29 × 6,461,532.87
  4. Step 4: Simplify right side
    20,300,552.33x = 196,680,449,213,328.81
  5. Step 5: Solve for x
    x = 196,680,449,213,328.81/20,300,552.33
  6. Step 6: Final answer
    x = 9,688,428.48

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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.