Home / 18,897,725.40-26,078,853.90-10,313,021.40

Finding the Fourth Proportional to 18,897,725.40, 26,078,853.90 and 10,313,021.40

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Solution

The fourth proportional to 18,897,725.40, 26,078,853.90 and 10,313,021.40 is: 14,231,965.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897,725.40 : 26,078,853.90 = 10,313,021.40 : x
  2. Step 2: Convert to fraction form
    18,897,725.40/26,078,853.90 = 10,313,021.40/x
  3. Step 3: Cross multiply
    18,897,725.40x = 26,078,853.90 × 10,313,021.40
  4. Step 4: Simplify right side
    18,897,725.40x = 268,951,778,358,173.47
  5. Step 5: Solve for x
    x = 268,951,778,358,173.47/18,897,725.40
  6. Step 6: Final answer
    x = 14,231,965.63

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1.5x scale

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.