Home / 28,514,978.31-42,755,386.31-9,075,807.61

Finding the Fourth Proportional to 28,514,978.31, 42,755,386.31 and 9,075,807.61

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Solution

The fourth proportional to 28,514,978.31, 42,755,386.31 and 9,075,807.61 is: 13,608,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,978.31 : 42,755,386.31 = 9,075,807.61 : x
  2. Step 2: Convert to fraction form
    28,514,978.31/42,755,386.31 = 9,075,807.61/x
  3. Step 3: Cross multiply
    28,514,978.31x = 42,755,386.31 × 9,075,807.61
  4. Step 4: Simplify right side
    28,514,978.31x = 388,039,660,614,105.06
  5. Step 5: Solve for x
    x = 388,039,660,614,105.06/28,514,978.31
  6. Step 6: Final answer
    x = 13,608,274.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.