Home / 14,739,513.12-20,340,321.35-8,213,417.64

Finding the Fourth Proportional to 14,739,513.12, 20,340,321.35 and 8,213,417.64

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Solution

The fourth proportional to 14,739,513.12, 20,340,321.35 and 8,213,417.64 is: 11,334,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739,513.12 : 20,340,321.35 = 8,213,417.64 : x
  2. Step 2: Convert to fraction form
    14,739,513.12/20,340,321.35 = 8,213,417.64/x
  3. Step 3: Cross multiply
    14,739,513.12x = 20,340,321.35 × 8,213,417.64
  4. Step 4: Simplify right side
    14,739,513.12x = 167,063,554,138,291.50
  5. Step 5: Solve for x
    x = 167,063,554,138,291.50/14,739,513.12
  6. Step 6: Final answer
    x = 11,334,401.13

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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.