Home / 18,386,450.79-25,372,307.01-10,124,898.39

Finding the Fourth Proportional to 18,386,450.79, 25,372,307.01 and 10,124,898.39

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Solution

The fourth proportional to 18,386,450.79, 25,372,307.01 and 10,124,898.39 is: 13,971,811.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386,450.79 : 25,372,307.01 = 10,124,898.39 : x
  2. Step 2: Convert to fraction form
    18,386,450.79/25,372,307.01 = 10,124,898.39/x
  3. Step 3: Cross multiply
    18,386,450.79x = 25,372,307.01 × 10,124,898.39
  4. Step 4: Simplify right side
    18,386,450.79x = 256,892,030,396,134.75
  5. Step 5: Solve for x
    x = 256,892,030,396,134.75/18,386,450.79
  6. Step 6: Final answer
    x = 13,971,811.82

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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.