Home / 19,319,974.90-28,979,962.35-10,362,022.90

Finding the Fourth Proportional to 19,319,974.90, 28,979,962.35 and 10,362,022.90

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Solution

The fourth proportional to 19,319,974.90, 28,979,962.35 and 10,362,022.90 is: 15,543,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,974.90 : 28,979,962.35 = 10,362,022.90 : x
  2. Step 2: Convert to fraction form
    19,319,974.90/28,979,962.35 = 10,362,022.90/x
  3. Step 3: Cross multiply
    19,319,974.90x = 28,979,962.35 × 10,362,022.90
  4. Step 4: Simplify right side
    19,319,974.90x = 300,291,033,511,837.81
  5. Step 5: Solve for x
    x = 300,291,033,511,837.81/19,319,974.90
  6. Step 6: Final answer
    x = 15,543,034.35

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Why These Related Problems?

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