Home / 10,030,999.42-13,842,939.45-5,679,967.78

Finding the Fourth Proportional to 10,030,999.42, 13,842,939.45 and 5,679,967.78

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Solution

The fourth proportional to 10,030,999.42, 13,842,939.45 and 5,679,967.78 is: 7,838,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030,999.42 : 13,842,939.45 = 5,679,967.78 : x
  2. Step 2: Convert to fraction form
    10,030,999.42/13,842,939.45 = 5,679,967.78/x
  3. Step 3: Cross multiply
    10,030,999.42x = 13,842,939.45 × 5,679,967.78
  4. Step 4: Simplify right side
    10,030,999.42x = 78,627,450,056,490.92
  5. Step 5: Solve for x
    x = 78,627,450,056,490.92/10,030,999.42
  6. Step 6: Final answer
    x = 7,838,446.28

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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.