Home / 18,372,916.19-25,354,423.14-10,112,801.87

Finding the Fourth Proportional to 18,372,916.19, 25,354,423.14 and 10,112,801.87

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Solution

The fourth proportional to 18,372,916.19, 25,354,423.14 and 10,112,801.87 is: 13,955,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372,916.19 : 25,354,423.14 = 10,112,801.87 : x
  2. Step 2: Convert to fraction form
    18,372,916.19/25,354,423.14 = 10,112,801.87/x
  3. Step 3: Cross multiply
    18,372,916.19x = 25,354,423.14 × 10,112,801.87
  4. Step 4: Simplify right side
    18,372,916.19x = 256,404,257,806,349.34
  5. Step 5: Solve for x
    x = 256,404,257,806,349.34/18,372,916.19
  6. Step 6: Final answer
    x = 13,955,555.84

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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.