Home / 38,798,458.47-53,543,165.27-21,158,326.06

Finding the Fourth Proportional to 38,798,458.47, 53,543,165.27 and 21,158,326.06

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Solution

The fourth proportional to 38,798,458.47, 53,543,165.27 and 21,158,326.06 is: 29,199,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,798,458.47 : 53,543,165.27 = 21,158,326.06 : x
  2. Step 2: Convert to fraction form
    38,798,458.47/53,543,165.27 = 21,158,326.06/x
  3. Step 3: Cross multiply
    38,798,458.47x = 53,543,165.27 × 21,158,326.06
  4. Step 4: Simplify right side
    38,798,458.47x = 1,132,883,748,827,478.50
  5. Step 5: Solve for x
    x = 1,132,883,748,827,478.50/38,798,458.47
  6. Step 6: Final answer
    x = 29,199,194.85

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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.