Home / 13,334,849.60-18,402,180.78-7,223,278.04

Finding the Fourth Proportional to 13,334,849.60, 18,402,180.78 and 7,223,278.04

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Solution

The fourth proportional to 13,334,849.60, 18,402,180.78 and 7,223,278.04 is: 9,968,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334,849.60 : 18,402,180.78 = 7,223,278.04 : x
  2. Step 2: Convert to fraction form
    13,334,849.60/18,402,180.78 = 7,223,278.04/x
  3. Step 3: Cross multiply
    13,334,849.60x = 18,402,180.78 × 7,223,278.04
  4. Step 4: Simplify right side
    13,334,849.60x = 132,924,068,316,284.08
  5. Step 5: Solve for x
    x = 132,924,068,316,284.08/13,334,849.60
  6. Step 6: Final answer
    x = 9,968,171.54

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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.