Home / 18,759,059.31-25,888,310.91-10,386,429

Finding the Fourth Proportional to 18,759,059.31, 25,888,310.91 and 10,386,429

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Solution

The fourth proportional to 18,759,059.31, 25,888,310.91 and 10,386,429 is: 14,333,719.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,059.31 : 25,888,310.91 = 10,386,429 : x
  2. Step 2: Convert to fraction form
    18,759,059.31/25,888,310.91 = 10,386,429/x
  3. Step 3: Cross multiply
    18,759,059.31x = 25,888,310.91 × 10,386,429
  4. Step 4: Simplify right side
    18,759,059.31x = 268,887,103,196,640.41
  5. Step 5: Solve for x
    x = 268,887,103,196,640.41/18,759,059.31
  6. Step 6: Final answer
    x = 14,333,719.98

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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.