Home / 21,602,530,435.72-29,810,844,813.98-11,957,655,744.65

Finding the Fourth Proportional to 21,602,530,435.72, 29,810,844,813.98 and 11,957,655,744.65

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Solution

The fourth proportional to 21,602,530,435.72, 29,810,844,813.98 and 11,957,655,744.65 is: 16,501,206,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,602,530,435.72 : 29,810,844,813.98 = 11,957,655,744.65 : x
  2. Step 2: Convert to fraction form
    21,602,530,435.72/29,810,844,813.98 = 11,957,655,744.65/x
  3. Step 3: Cross multiply
    21,602,530,435.72x = 29,810,844,813.98 × 11,957,655,744.65
  4. Step 4: Simplify right side
    21,602,530,435.72x = 356,467,819,742,674,092,032
  5. Step 5: Solve for x
    x = 356,467,819,742,674,092,032/21,602,530,435.72
  6. Step 6: Final answer
    x = 16,501,206,689.81

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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.