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Finding the Fourth Proportional to 29,404,101.60, 44,106,152.40 and 21,278,959.20

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Solution

The fourth proportional to 29,404,101.60, 44,106,152.40 and 21,278,959.20 is: 31,918,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404,101.60 : 44,106,152.40 = 21,278,959.20 : x
  2. Step 2: Convert to fraction form
    29,404,101.60/44,106,152.40 = 21,278,959.20/x
  3. Step 3: Cross multiply
    29,404,101.60x = 44,106,152.40 × 21,278,959.20
  4. Step 4: Simplify right side
    29,404,101.60x = 938,533,017,388,582
  5. Step 5: Solve for x
    x = 938,533,017,388,582/29,404,101.60
  6. Step 6: Final answer
    x = 31,918,438.80

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1.5x scale

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.