Home / 21,359,312.60-29,475,159.49-11,939,853.03

Finding the Fourth Proportional to 21,359,312.60, 29,475,159.49 and 11,939,853.03

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Solution

The fourth proportional to 21,359,312.60, 29,475,159.49 and 11,939,853.03 is: 16,476,610.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,359,312.60 : 29,475,159.49 = 11,939,853.03 : x
  2. Step 2: Convert to fraction form
    21,359,312.60/29,475,159.49 = 11,939,853.03/x
  3. Step 3: Cross multiply
    21,359,312.60x = 29,475,159.49 × 11,939,853.03
  4. Step 4: Simplify right side
    21,359,312.60x = 351,929,072,312,211.50
  5. Step 5: Solve for x
    x = 351,929,072,312,211.50/21,359,312.60
  6. Step 6: Final answer
    x = 16,476,610.41

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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.