Home / 30,602,289.68-45,882,128.27-13,553,720.72

Finding the Fourth Proportional to 30,602,289.68, 45,882,128.27 and 13,553,720.72

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Solution

The fourth proportional to 30,602,289.68, 45,882,128.27 and 13,553,720.72 is: 20,321,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,602,289.68 : 45,882,128.27 = 13,553,720.72 : x
  2. Step 2: Convert to fraction form
    30,602,289.68/45,882,128.27 = 13,553,720.72/x
  3. Step 3: Cross multiply
    30,602,289.68x = 45,882,128.27 × 13,553,720.72
  4. Step 4: Simplify right side
    30,602,289.68x = 621,873,552,313,617.50
  5. Step 5: Solve for x
    x = 621,873,552,313,617.50/30,602,289.68
  6. Step 6: Final answer
    x = 20,321,144.56

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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.