Home / 13,929,376.02-19,222,538.88-7,817,804.52

Finding the Fourth Proportional to 13,929,376.02, 19,222,538.88 and 7,817,804.52

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Solution

The fourth proportional to 13,929,376.02, 19,222,538.88 and 7,817,804.52 is: 10,788,570.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,929,376.02 : 19,222,538.88 = 7,817,804.52 : x
  2. Step 2: Convert to fraction form
    13,929,376.02/19,222,538.88 = 7,817,804.52/x
  3. Step 3: Cross multiply
    13,929,376.02x = 19,222,538.88 × 7,817,804.52
  4. Step 4: Simplify right side
    13,929,376.02x = 150,278,051,341,939.72
  5. Step 5: Solve for x
    x = 150,278,051,341,939.72/13,929,376.02
  6. Step 6: Final answer
    x = 10,788,570.22

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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.