Home / 25,341,507.78-38,010,278.79-7,144,967.94

Finding the Fourth Proportional to 25,341,507.78, 38,010,278.79 and 7,144,967.94

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Solution

The fourth proportional to 25,341,507.78, 38,010,278.79 and 7,144,967.94 is: 10,716,892.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,341,507.78 : 38,010,278.79 = 7,144,967.94 : x
  2. Step 2: Convert to fraction form
    25,341,507.78/38,010,278.79 = 7,144,967.94/x
  3. Step 3: Cross multiply
    25,341,507.78x = 38,010,278.79 × 7,144,967.94
  4. Step 4: Simplify right side
    25,341,507.78x = 271,582,223,345,012
  5. Step 5: Solve for x
    x = 271,582,223,345,012/25,341,507.78
  6. Step 6: Final answer
    x = 10,716,892.84

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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.