Home / 13,105,613.70-19,658,420.55-11,830,155.30

Finding the Fourth Proportional to 13,105,613.70, 19,658,420.55 and 11,830,155.30

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Solution

The fourth proportional to 13,105,613.70, 19,658,420.55 and 11,830,155.30 is: 17,745,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,613.70 : 19,658,420.55 = 11,830,155.30 : x
  2. Step 2: Convert to fraction form
    13,105,613.70/19,658,420.55 = 11,830,155.30/x
  3. Step 3: Cross multiply
    13,105,613.70x = 19,658,420.55 × 11,830,155.30
  4. Step 4: Simplify right side
    13,105,613.70x = 232,562,168,059,211.44
  5. Step 5: Solve for x
    x = 232,562,168,059,211.44/13,105,613.70
  6. Step 6: Final answer
    x = 17,745,232.95

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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.