Home / 22,238,294.67-30,689,487.60-12,448,681.23

Finding the Fourth Proportional to 22,238,294.67, 30,689,487.60 and 12,448,681.23

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Solution

The fourth proportional to 22,238,294.67, 30,689,487.60 and 12,448,681.23 is: 17,179,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238,294.67 : 30,689,487.60 = 12,448,681.23 : x
  2. Step 2: Convert to fraction form
    22,238,294.67/30,689,487.60 = 12,448,681.23/x
  3. Step 3: Cross multiply
    22,238,294.67x = 30,689,487.60 × 12,448,681.23
  4. Step 4: Simplify right side
    22,238,294.67x = 382,043,648,244,437.75
  5. Step 5: Solve for x
    x = 382,043,648,244,437.75/22,238,294.67
  6. Step 6: Final answer
    x = 17,179,538.90

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Double scale
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1.5x scale

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.