Home / 8,409,351.17-12,567,940.29-6,139,655.22

Finding the Fourth Proportional to 8,409,351.17, 12,567,940.29 and 6,139,655.22

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Solution

The fourth proportional to 8,409,351.17, 12,567,940.29 and 6,139,655.22 is: 9,175,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409,351.17 : 12,567,940.29 = 6,139,655.22 : x
  2. Step 2: Convert to fraction form
    8,409,351.17/12,567,940.29 = 6,139,655.22/x
  3. Step 3: Cross multiply
    8,409,351.17x = 12,567,940.29 × 6,139,655.22
  4. Step 4: Simplify right side
    8,409,351.17x = 77,162,820,206,146.81
  5. Step 5: Solve for x
    x = 77,162,820,206,146.81/8,409,351.17
  6. Step 6: Final answer
    x = 9,175,835.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.