Home / 12,567,079.20-18,855,047.48-12,124,211.70

Finding the Fourth Proportional to 12,567,079.20, 18,855,047.48 and 12,124,211.70

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Solution

The fourth proportional to 12,567,079.20, 18,855,047.48 and 12,124,211.70 is: 18,190,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567,079.20 : 18,855,047.48 = 12,124,211.70 : x
  2. Step 2: Convert to fraction form
    12,567,079.20/18,855,047.48 = 12,124,211.70/x
  3. Step 3: Cross multiply
    12,567,079.20x = 18,855,047.48 × 12,124,211.70
  4. Step 4: Simplify right side
    12,567,079.20x = 228,602,587,200,450.47
  5. Step 5: Solve for x
    x = 228,602,587,200,450.47/12,567,079.20
  6. Step 6: Final answer
    x = 18,190,590.16

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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.