Home / 10,321,731.61-14,223,001.19-7,984,430.69

Finding the Fourth Proportional to 10,321,731.61, 14,223,001.19 and 7,984,430.69

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Solution

The fourth proportional to 10,321,731.61, 14,223,001.19 and 7,984,430.69 is: 11,002,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321,731.61 : 14,223,001.19 = 7,984,430.69 : x
  2. Step 2: Convert to fraction form
    10,321,731.61/14,223,001.19 = 7,984,430.69/x
  3. Step 3: Cross multiply
    10,321,731.61x = 14,223,001.19 × 7,984,430.69
  4. Step 4: Simplify right side
    10,321,731.61x = 113,562,567,094,305.36
  5. Step 5: Solve for x
    x = 113,562,567,094,305.36/10,321,731.61
  6. Step 6: Final answer
    x = 11,002,278.63

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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.