Home / 7,713,028.47-11,569,656.96-2,919,430.65

Finding the Fourth Proportional to 7,713,028.47, 11,569,656.96 and 2,919,430.65

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Solution

The fourth proportional to 7,713,028.47, 11,569,656.96 and 2,919,430.65 is: 4,379,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713,028.47 : 11,569,656.96 = 2,919,430.65 : x
  2. Step 2: Convert to fraction form
    7,713,028.47/11,569,656.96 = 2,919,430.65/x
  3. Step 3: Cross multiply
    7,713,028.47x = 11,569,656.96 × 2,919,430.65
  4. Step 4: Simplify right side
    7,713,028.47x = 33,776,811,139,009.82
  5. Step 5: Solve for x
    x = 33,776,811,139,009.82/7,713,028.47
  6. Step 6: Final answer
    x = 4,379,189.22

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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.