Home / 21,284,046,817.56-29,358,144,892.88-13,651,002,460.11

Finding the Fourth Proportional to 21,284,046,817.56, 29,358,144,892.88 and 13,651,002,460.11

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Solution

The fourth proportional to 21,284,046,817.56, 29,358,144,892.88 and 13,651,002,460.11 is: 18,829,506,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284,046,817.56 : 29,358,144,892.88 = 13,651,002,460.11 : x
  2. Step 2: Convert to fraction form
    21,284,046,817.56/29,358,144,892.88 = 13,651,002,460.11/x
  3. Step 3: Cross multiply
    21,284,046,817.56x = 29,358,144,892.88 × 13,651,002,460.11
  4. Step 4: Simplify right side
    21,284,046,817.56x = 400,768,108,157,019,881,472
  5. Step 5: Solve for x
    x = 400,768,108,157,019,881,472/21,284,046,817.56
  6. Step 6: Final answer
    x = 18,829,506,982.03

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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.