Home / 13,929,379.01-19,222,543.02-7,817,807.51

Finding the Fourth Proportional to 13,929,379.01, 19,222,543.02 and 7,817,807.51

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Solution

The fourth proportional to 13,929,379.01, 19,222,543.02 and 7,817,807.51 is: 10,788,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,379.01 : 19,222,543.02 = 7,817,807.51 : x
  2. Step 2: Convert to fraction form
    13,929,379.01/19,222,543.02 = 7,817,807.51/x
  3. Step 3: Cross multiply
    13,929,379.01x = 19,222,543.02 × 7,817,807.51
  4. Step 4: Simplify right side
    13,929,379.01x = 150,278,141,183,054.06
  5. Step 5: Solve for x
    x = 150,278,141,183,054.06/13,929,379.01
  6. Step 6: Final answer
    x = 10,788,574.36

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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.