Home / 11,146,642.80-16,719,964.20-9,446,031.60

Finding the Fourth Proportional to 11,146,642.80, 16,719,964.20 and 9,446,031.60

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Solution

The fourth proportional to 11,146,642.80, 16,719,964.20 and 9,446,031.60 is: 14,169,047.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146,642.80 : 16,719,964.20 = 9,446,031.60 : x
  2. Step 2: Convert to fraction form
    11,146,642.80/16,719,964.20 = 9,446,031.60/x
  3. Step 3: Cross multiply
    11,146,642.80x = 16,719,964.20 × 9,446,031.60
  4. Step 4: Simplify right side
    11,146,642.80x = 157,937,310,184,068.72
  5. Step 5: Solve for x
    x = 157,937,310,184,068.72/11,146,642.80
  6. Step 6: Final answer
    x = 14,169,047.40

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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.