Home / 13,596,680.10-18,762,843.84-7,401,597.86

Finding the Fourth Proportional to 13,596,680.10, 18,762,843.84 and 7,401,597.86

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Solution

The fourth proportional to 13,596,680.10, 18,762,843.84 and 7,401,597.86 is: 10,213,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596,680.10 : 18,762,843.84 = 7,401,597.86 : x
  2. Step 2: Convert to fraction form
    13,596,680.10/18,762,843.84 = 7,401,597.86/x
  3. Step 3: Cross multiply
    13,596,680.10x = 18,762,843.84 × 7,401,597.86
  4. Step 4: Simplify right side
    13,596,680.10x = 138,875,024,727,268.30
  5. Step 5: Solve for x
    x = 138,875,024,727,268.30/13,596,680.10
  6. Step 6: Final answer
    x = 10,213,892.19

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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.