Home / 21,526,137.12-29,706,301.53-11,736,501.87

Finding the Fourth Proportional to 21,526,137.12, 29,706,301.53 and 11,736,501.87

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Solution

The fourth proportional to 21,526,137.12, 29,706,301.53 and 11,736,501.87 is: 16,196,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526,137.12 : 29,706,301.53 = 11,736,501.87 : x
  2. Step 2: Convert to fraction form
    21,526,137.12/29,706,301.53 = 11,736,501.87/x
  3. Step 3: Cross multiply
    21,526,137.12x = 29,706,301.53 × 11,736,501.87
  4. Step 4: Simplify right side
    21,526,137.12x = 348,648,063,457,628.88
  5. Step 5: Solve for x
    x = 348,648,063,457,628.88/21,526,137.12
  6. Step 6: Final answer
    x = 16,196,499.24

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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.