Home / 9,170,063.80-12,856,985-9,170,063.80

Finding the Fourth Proportional to 9,170,063.80, 12,856,985 and 9,170,063.80

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Solution

The fourth proportional to 9,170,063.80, 12,856,985 and 9,170,063.80 is: 12,856,985

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,063.80 : 12,856,985 = 9,170,063.80 : x
  2. Step 2: Convert to fraction form
    9,170,063.80/12,856,985 = 9,170,063.80/x
  3. Step 3: Cross multiply
    9,170,063.80x = 12,856,985 × 9,170,063.80
  4. Step 4: Simplify right side
    9,170,063.80x = 117,899,372,725,643.02
  5. Step 5: Solve for x
    x = 117,899,372,725,643.02/9,170,063.80
  6. Step 6: Final answer
    x = 12,856,985

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.