Home / 30,426,875.34-45,645,627.41-13,387,105.41

Finding the Fourth Proportional to 30,426,875.34, 45,645,627.41 and 13,387,105.41

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Solution

The fourth proportional to 30,426,875.34, 45,645,627.41 and 13,387,105.41 is: 20,082,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,426,875.34 : 45,645,627.41 = 13,387,105.41 : x
  2. Step 2: Convert to fraction form
    30,426,875.34/45,645,627.41 = 13,387,105.41/x
  3. Step 3: Cross multiply
    30,426,875.34x = 45,645,627.41 × 13,387,105.41
  4. Step 4: Simplify right side
    30,426,875.34x = 611,062,825,530,652.75
  5. Step 5: Solve for x
    x = 611,062,825,530,652.75/30,426,875.34
  6. Step 6: Final answer
    x = 20,082,996.32

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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.