Home / 10,455,515.70-15,674,979.15-5,727,707.70

Finding the Fourth Proportional to 10,455,515.70, 15,674,979.15 and 5,727,707.70

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Solution

The fourth proportional to 10,455,515.70, 15,674,979.15 and 5,727,707.70 is: 8,587,017.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,515.70 : 15,674,979.15 = 5,727,707.70 : x
  2. Step 2: Convert to fraction form
    10,455,515.70/15,674,979.15 = 5,727,707.70/x
  3. Step 3: Cross multiply
    10,455,515.70x = 15,674,979.15 × 5,727,707.70
  4. Step 4: Simplify right side
    10,455,515.70x = 89,781,698,774,794.45
  5. Step 5: Solve for x
    x = 89,781,698,774,794.45/10,455,515.70
  6. Step 6: Final answer
    x = 8,587,017.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.