Home / 28,458,967.14-39,273,366.38-15,406,216.47

Finding the Fourth Proportional to 28,458,967.14, 39,273,366.38 and 15,406,216.47

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Solution

The fourth proportional to 28,458,967.14, 39,273,366.38 and 15,406,216.47 is: 21,260,574.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,458,967.14 : 39,273,366.38 = 15,406,216.47 : x
  2. Step 2: Convert to fraction form
    28,458,967.14/39,273,366.38 = 15,406,216.47/x
  3. Step 3: Cross multiply
    28,458,967.14x = 39,273,366.38 × 15,406,216.47
  4. Step 4: Simplify right side
    28,458,967.14x = 605,053,983,878,869.25
  5. Step 5: Solve for x
    x = 605,053,983,878,869.25/28,458,967.14
  6. Step 6: Final answer
    x = 21,260,574.25

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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.