Home / 18,951,209.78-26,152,669.52-10,249,382.35

Finding the Fourth Proportional to 18,951,209.78, 26,152,669.52 and 10,249,382.35

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Solution

The fourth proportional to 18,951,209.78, 26,152,669.52 and 10,249,382.35 is: 14,144,147.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951,209.78 : 26,152,669.52 = 10,249,382.35 : x
  2. Step 2: Convert to fraction form
    18,951,209.78/26,152,669.52 = 10,249,382.35/x
  3. Step 3: Cross multiply
    18,951,209.78x = 26,152,669.52 × 10,249,382.35
  4. Step 4: Simplify right side
    18,951,209.78x = 268,048,709,383,670.97
  5. Step 5: Solve for x
    x = 268,048,709,383,670.97/18,951,209.78
  6. Step 6: Final answer
    x = 14,144,147.66

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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.