Home / 21,613,140.41-29,826,369.18-11,823,374.42

Finding the Fourth Proportional to 21,613,140.41, 29,826,369.18 and 11,823,374.42

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Solution

The fourth proportional to 21,613,140.41, 29,826,369.18 and 11,823,374.42 is: 16,316,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613,140.41 : 29,826,369.18 = 11,823,374.42 : x
  2. Step 2: Convert to fraction form
    21,613,140.41/29,826,369.18 = 11,823,374.42/x
  3. Step 3: Cross multiply
    21,613,140.41x = 29,826,369.18 × 11,823,374.42
  4. Step 4: Simplify right side
    21,613,140.41x = 352,648,330,255,156.50
  5. Step 5: Solve for x
    x = 352,648,330,255,156.50/21,613,140.41
  6. Step 6: Final answer
    x = 16,316,385.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.