Home / 22,569,795.70-31,155,851.61-15,237,559.78

Finding the Fourth Proportional to 22,569,795.70, 31,155,851.61 and 15,237,559.78

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Solution

The fourth proportional to 22,569,795.70, 31,155,851.61 and 15,237,559.78 is: 21,034,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,569,795.70 : 31,155,851.61 = 15,237,559.78 : x
  2. Step 2: Convert to fraction form
    22,569,795.70/31,155,851.61 = 15,237,559.78/x
  3. Step 3: Cross multiply
    22,569,795.70x = 31,155,851.61 × 15,237,559.78
  4. Step 4: Simplify right side
    22,569,795.70x = 474,739,151,404,184.19
  5. Step 5: Solve for x
    x = 474,739,151,404,184.19/22,569,795.70
  6. Step 6: Final answer
    x = 21,034,268.88

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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.