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Finding the Fourth Proportional to 11,762,215.10, 16,483,897.30 and 11,762,215.10

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Solution

The fourth proportional to 11,762,215.10, 16,483,897.30 and 11,762,215.10 is: 16,483,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,762,215.10 : 16,483,897.30 = 11,762,215.10 : x
  2. Step 2: Convert to fraction form
    11,762,215.10/16,483,897.30 = 11,762,215.10/x
  3. Step 3: Cross multiply
    11,762,215.10x = 16,483,897.30 × 11,762,215.10
  4. Step 4: Simplify right side
    11,762,215.10x = 193,887,145,728,909.22
  5. Step 5: Solve for x
    x = 193,887,145,728,909.22/11,762,215.10
  6. Step 6: Final answer
    x = 16,483,897.30

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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.