Home / 20,537,401.56-28,341,621-11,245,559.30

Finding the Fourth Proportional to 20,537,401.56, 28,341,621 and 11,245,559.30

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Solution

The fourth proportional to 20,537,401.56, 28,341,621 and 11,245,559.30 is: 15,518,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,537,401.56 : 28,341,621 = 11,245,559.30 : x
  2. Step 2: Convert to fraction form
    20,537,401.56/28,341,621 = 11,245,559.30/x
  3. Step 3: Cross multiply
    20,537,401.56x = 28,341,621 × 11,245,559.30
  4. Step 4: Simplify right side
    20,537,401.56x = 318,717,379,613,625.31
  5. Step 5: Solve for x
    x = 318,717,379,613,625.31/20,537,401.56
  6. Step 6: Final answer
    x = 15,518,875.58

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1.5x scale

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.