Home / 12,771,755.10-19,157,632.65-12,141,899.10

Finding the Fourth Proportional to 12,771,755.10, 19,157,632.65 and 12,141,899.10

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Solution

The fourth proportional to 12,771,755.10, 19,157,632.65 and 12,141,899.10 is: 18,212,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,755.10 : 19,157,632.65 = 12,141,899.10 : x
  2. Step 2: Convert to fraction form
    12,771,755.10/19,157,632.65 = 12,141,899.10/x
  3. Step 3: Cross multiply
    12,771,755.10x = 19,157,632.65 × 12,141,899.10
  4. Step 4: Simplify right side
    12,771,755.10x = 232,610,042,631,165.59
  5. Step 5: Solve for x
    x = 232,610,042,631,165.59/12,771,755.10
  6. Step 6: Final answer
    x = 18,212,848.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.