Home / 30,273,784.56-45,371,247.72-12,301,878

Finding the Fourth Proportional to 30,273,784.56, 45,371,247.72 and 12,301,878

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Solution

The fourth proportional to 30,273,784.56, 45,371,247.72 and 12,301,878 is: 18,436,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273,784.56 : 45,371,247.72 = 12,301,878 : x
  2. Step 2: Convert to fraction form
    30,273,784.56/45,371,247.72 = 12,301,878/x
  3. Step 3: Cross multiply
    30,273,784.56x = 45,371,247.72 × 12,301,878
  4. Step 4: Simplify right side
    30,273,784.56x = 558,151,554,159,218.12
  5. Step 5: Solve for x
    x = 558,151,554,159,218.12/30,273,784.56
  6. Step 6: Final answer
    x = 18,436,794.81

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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.