Home / 21,924,076.40-32,886,114.60-21,028,281.20

Finding the Fourth Proportional to 21,924,076.40, 32,886,114.60 and 21,028,281.20

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Solution

The fourth proportional to 21,924,076.40, 32,886,114.60 and 21,028,281.20 is: 31,542,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924,076.40 : 32,886,114.60 = 21,028,281.20 : x
  2. Step 2: Convert to fraction form
    21,924,076.40/32,886,114.60 = 21,028,281.20/x
  3. Step 3: Cross multiply
    21,924,076.40x = 32,886,114.60 × 21,028,281.20
  4. Step 4: Simplify right side
    21,924,076.40x = 691,538,465,384,225.50
  5. Step 5: Solve for x
    x = 691,538,465,384,225.50/21,924,076.40
  6. Step 6: Final answer
    x = 31,542,421.80

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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.