Home / 20,736,664.60-31,050,564.90-14,638,466.20

Finding the Fourth Proportional to 20,736,664.60, 31,050,564.90 and 14,638,466.20

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Solution

The fourth proportional to 20,736,664.60, 31,050,564.90 and 14,638,466.20 is: 21,919,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,664.60 : 31,050,564.90 = 14,638,466.20 : x
  2. Step 2: Convert to fraction form
    20,736,664.60/31,050,564.90 = 14,638,466.20/x
  3. Step 3: Cross multiply
    20,736,664.60x = 31,050,564.90 × 14,638,466.20
  4. Step 4: Simplify right side
    20,736,664.60x = 454,532,644,779,556.31
  5. Step 5: Solve for x
    x = 454,532,644,779,556.31/20,736,664.60
  6. Step 6: Final answer
    x = 21,919,274.56

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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.