Home / 10,615,004.46-15,899,167.76-8,772,487.74

Finding the Fourth Proportional to 10,615,004.46, 15,899,167.76 and 8,772,487.74

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Solution

The fourth proportional to 10,615,004.46, 15,899,167.76 and 8,772,487.74 is: 13,139,443.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,004.46 : 15,899,167.76 = 8,772,487.74 : x
  2. Step 2: Convert to fraction form
    10,615,004.46/15,899,167.76 = 8,772,487.74/x
  3. Step 3: Cross multiply
    10,615,004.46x = 15,899,167.76 × 8,772,487.74
  4. Step 4: Simplify right side
    10,615,004.46x = 139,475,254,206,940.83
  5. Step 5: Solve for x
    x = 139,475,254,206,940.83/10,615,004.46
  6. Step 6: Final answer
    x = 13,139,443.77

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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.