Home / 21,326,311.50-29,430,220.71-11,536,731.33

Finding the Fourth Proportional to 21,326,311.50, 29,430,220.71 and 11,536,731.33

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Solution

The fourth proportional to 21,326,311.50, 29,430,220.71 and 11,536,731.33 is: 15,920,641.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,311.50 : 29,430,220.71 = 11,536,731.33 : x
  2. Step 2: Convert to fraction form
    21,326,311.50/29,430,220.71 = 11,536,731.33/x
  3. Step 3: Cross multiply
    21,326,311.50x = 29,430,220.71 × 11,536,731.33
  4. Step 4: Simplify right side
    21,326,311.50x = 339,528,549,347,433.69
  5. Step 5: Solve for x
    x = 339,528,549,347,433.69/21,326,311.50
  6. Step 6: Final answer
    x = 15,920,641.01

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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.