Home / 8,139,229.16-12,210,706.36-3,528,985.80

Finding the Fourth Proportional to 8,139,229.16, 12,210,706.36 and 3,528,985.80

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Solution

The fourth proportional to 8,139,229.16, 12,210,706.36 and 3,528,985.80 is: 5,294,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139,229.16 : 12,210,706.36 = 3,528,985.80 : x
  2. Step 2: Convert to fraction form
    8,139,229.16/12,210,706.36 = 3,528,985.80/x
  3. Step 3: Cross multiply
    8,139,229.16x = 12,210,706.36 × 3,528,985.80
  4. Step 4: Simplify right side
    8,139,229.16x = 43,091,409,352,409.69
  5. Step 5: Solve for x
    x = 43,091,409,352,409.69/8,139,229.16
  6. Step 6: Final answer
    x = 5,294,286.29

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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.