Home / 18,865,340.78-26,053,933.10-13,000,225.55

Finding the Fourth Proportional to 18,865,340.78, 26,053,933.10 and 13,000,225.55

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Solution

The fourth proportional to 18,865,340.78, 26,053,933.10 and 13,000,225.55 is: 17,953,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865,340.78 : 26,053,933.10 = 13,000,225.55 : x
  2. Step 2: Convert to fraction form
    18,865,340.78/26,053,933.10 = 13,000,225.55/x
  3. Step 3: Cross multiply
    18,865,340.78x = 26,053,933.10 × 13,000,225.55
  4. Step 4: Simplify right side
    18,865,340.78x = 338,707,006,569,339.88
  5. Step 5: Solve for x
    x = 338,707,006,569,339.88/18,865,340.78
  6. Step 6: Final answer
    x = 17,953,929.94

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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.