Home / 16,863,188.80-23,271,206.16-9,128,207.20

Finding the Fourth Proportional to 16,863,188.80, 23,271,206.16 and 9,128,207.20

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Solution

The fourth proportional to 16,863,188.80, 23,271,206.16 and 9,128,207.20 is: 12,596,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863,188.80 : 23,271,206.16 = 9,128,207.20 : x
  2. Step 2: Convert to fraction form
    16,863,188.80/23,271,206.16 = 9,128,207.20/x
  3. Step 3: Cross multiply
    16,863,188.80x = 23,271,206.16 × 9,128,207.20
  4. Step 4: Simplify right side
    16,863,188.80x = 212,424,391,622,396.34
  5. Step 5: Solve for x
    x = 212,424,391,622,396.34/16,863,188.80
  6. Step 6: Final answer
    x = 12,596,928.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.