Home / 21,870,871,087.06-30,181,803,118.41-11,846,365,945.12

Finding the Fourth Proportional to 21,870,871,087.06, 30,181,803,118.41 and 11,846,365,945.12

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Solution

The fourth proportional to 21,870,871,087.06, 30,181,803,118.41 and 11,846,365,945.12 is: 16,347,985,555.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,871,087.06 : 30,181,803,118.41 = 11,846,365,945.12 : x
  2. Step 2: Convert to fraction form
    21,870,871,087.06/30,181,803,118.41 = 11,846,365,945.12/x
  3. Step 3: Cross multiply
    21,870,871,087.06x = 30,181,803,118.41 × 11,846,365,945.12
  4. Step 4: Simplify right side
    21,870,871,087.06x = 357,544,684,624,248,897,536
  5. Step 5: Solve for x
    x = 357,544,684,624,248,897,536/21,870,871,087.06
  6. Step 6: Final answer
    x = 16,347,985,555.81

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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.