Home / 30,343,335.06-45,515,048.67-12,392,439.06

Finding the Fourth Proportional to 30,343,335.06, 45,515,048.67 and 12,392,439.06

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Solution

The fourth proportional to 30,343,335.06, 45,515,048.67 and 12,392,439.06 is: 18,588,677.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,335.06 : 45,515,048.67 = 12,392,439.06 : x
  2. Step 2: Convert to fraction form
    30,343,335.06/45,515,048.67 = 12,392,439.06/x
  3. Step 3: Cross multiply
    30,343,335.06x = 45,515,048.67 × 12,392,439.06
  4. Step 4: Simplify right side
    30,343,335.06x = 564,042,466,955,909.12
  5. Step 5: Solve for x
    x = 564,042,466,955,909.12/30,343,335.06
  6. Step 6: Final answer
    x = 18,588,677.41

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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.