Home / 21,347,706.76-29,459,796.30-11,558,149.60

Finding the Fourth Proportional to 21,347,706.76, 29,459,796.30 and 11,558,149.60

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Solution

The fourth proportional to 21,347,706.76, 29,459,796.30 and 11,558,149.60 is: 15,950,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347,706.76 : 29,459,796.30 = 11,558,149.60 : x
  2. Step 2: Convert to fraction form
    21,347,706.76/29,459,796.30 = 11,558,149.60/x
  3. Step 3: Cross multiply
    21,347,706.76x = 29,459,796.30 × 11,558,149.60
  4. Step 4: Simplify right side
    21,347,706.76x = 340,500,732,820,926.50
  5. Step 5: Solve for x
    x = 340,500,732,820,926.50/21,347,706.76
  6. Step 6: Final answer
    x = 15,950,225.32

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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.