Home / 10,867,079.70-16,311,117.15-6,615,551.70

Finding the Fourth Proportional to 10,867,079.70, 16,311,117.15 and 6,615,551.70

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Solution

The fourth proportional to 10,867,079.70, 16,311,117.15 and 6,615,551.70 is: 9,929,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,079.70 : 16,311,117.15 = 6,615,551.70 : x
  2. Step 2: Convert to fraction form
    10,867,079.70/16,311,117.15 = 6,615,551.70/x
  3. Step 3: Cross multiply
    10,867,079.70x = 16,311,117.15 × 6,615,551.70
  4. Step 4: Simplify right side
    10,867,079.70x = 107,907,038,790,581.66
  5. Step 5: Solve for x
    x = 107,907,038,790,581.66/10,867,079.70
  6. Step 6: Final answer
    x = 9,929,718.17

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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.