Home / 10,071,429.04-15,111,608.82-5,277,978.64

Finding the Fourth Proportional to 10,071,429.04, 15,111,608.82 and 5,277,978.64

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Solution

The fourth proportional to 10,071,429.04, 15,111,608.82 and 5,277,978.64 is: 7,919,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071,429.04 : 15,111,608.82 = 5,277,978.64 : x
  2. Step 2: Convert to fraction form
    10,071,429.04/15,111,608.82 = 5,277,978.64/x
  3. Step 3: Cross multiply
    10,071,429.04x = 15,111,608.82 × 5,277,978.64
  4. Step 4: Simplify right side
    10,071,429.04x = 79,758,748,567,995.59
  5. Step 5: Solve for x
    x = 79,758,748,567,995.59/10,071,429.04
  6. Step 6: Final answer
    x = 7,919,308.00

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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.