Home / 13,119,379,938.84-18,117,248,217.03-12,404,644,486.44

Finding the Fourth Proportional to 13,119,379,938.84, 18,117,248,217.03 and 12,404,644,486.44

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Solution

The fourth proportional to 13,119,379,938.84, 18,117,248,217.03 and 12,404,644,486.44 is: 17,130,232,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119,379,938.84 : 18,117,248,217.03 = 12,404,644,486.44 : x
  2. Step 2: Convert to fraction form
    13,119,379,938.84/18,117,248,217.03 = 12,404,644,486.44/x
  3. Step 3: Cross multiply
    13,119,379,938.84x = 18,117,248,217.03 × 12,404,644,486.44
  4. Step 4: Simplify right side
    13,119,379,938.84x = 224,738,023,204,846,108,672
  5. Step 5: Solve for x
    x = 224,738,023,204,846,108,672/13,119,379,938.84
  6. Step 6: Final answer
    x = 17,130,232,088.14

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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.