Home / 20,808,006.90-31,212,010.35-14,425,466.10

Finding the Fourth Proportional to 20,808,006.90, 31,212,010.35 and 14,425,466.10

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Solution

The fourth proportional to 20,808,006.90, 31,212,010.35 and 14,425,466.10 is: 21,638,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,808,006.90 : 31,212,010.35 = 14,425,466.10 : x
  2. Step 2: Convert to fraction form
    20,808,006.90/31,212,010.35 = 14,425,466.10/x
  3. Step 3: Cross multiply
    20,808,006.90x = 31,212,010.35 × 14,425,466.10
  4. Step 4: Simplify right side
    20,808,006.90x = 450,247,797,216,774.12
  5. Step 5: Solve for x
    x = 450,247,797,216,774.12/20,808,006.90
  6. Step 6: Final answer
    x = 21,638,199.15

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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.