Home / 21,326,313.76-29,430,223.81-11,536,733.59

Finding the Fourth Proportional to 21,326,313.76, 29,430,223.81 and 11,536,733.59

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Solution

The fourth proportional to 21,326,313.76, 29,430,223.81 and 11,536,733.59 is: 15,920,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,326,313.76 : 29,430,223.81 = 11,536,733.59 : x
  2. Step 2: Convert to fraction form
    21,326,313.76/29,430,223.81 = 11,536,733.59/x
  3. Step 3: Cross multiply
    21,326,313.76x = 29,430,223.81 × 11,536,733.59
  4. Step 4: Simplify right side
    21,326,313.76x = 339,528,651,487,627.44
  5. Step 5: Solve for x
    x = 339,528,651,487,627.44/21,326,313.76
  6. Step 6: Final answer
    x = 15,920,644.11

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1.5x scale

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.