Home / 14,446,827.51-19,936,092.91-7,920,313.86

Finding the Fourth Proportional to 14,446,827.51, 19,936,092.91 and 7,920,313.86

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Solution

The fourth proportional to 14,446,827.51, 19,936,092.91 and 7,920,313.86 is: 10,929,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446,827.51 : 19,936,092.91 = 7,920,313.86 : x
  2. Step 2: Convert to fraction form
    14,446,827.51/19,936,092.91 = 7,920,313.86/x
  3. Step 3: Cross multiply
    14,446,827.51x = 19,936,092.91 × 7,920,313.86
  4. Step 4: Simplify right side
    14,446,827.51x = 157,900,112,989,320.75
  5. Step 5: Solve for x
    x = 157,900,112,989,320.75/14,446,827.51
  6. Step 6: Final answer
    x = 10,929,743.08

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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.