Home / 15,247,469,361.18-21,019,331,329.89-10,655,476,985.28

Finding the Fourth Proportional to 15,247,469,361.18, 21,019,331,329.89 and 10,655,476,985.28

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Solution

The fourth proportional to 15,247,469,361.18, 21,019,331,329.89 and 10,655,476,985.28 is: 14,689,060,586.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247,469,361.18 : 21,019,331,329.89 = 10,655,476,985.28 : x
  2. Step 2: Convert to fraction form
    15,247,469,361.18/21,019,331,329.89 = 10,655,476,985.28/x
  3. Step 3: Cross multiply
    15,247,469,361.18x = 21,019,331,329.89 × 10,655,476,985.28
  4. Step 4: Simplify right side
    15,247,469,361.18x = 223,971,001,231,617,753,088
  5. Step 5: Solve for x
    x = 223,971,001,231,617,753,088/15,247,469,361.18
  6. Step 6: Final answer
    x = 14,689,060,586.14

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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.