Home / 19,319,904.90-28,979,857.35-10,361,952.90

Finding the Fourth Proportional to 19,319,904.90, 28,979,857.35 and 10,361,952.90

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Solution

The fourth proportional to 19,319,904.90, 28,979,857.35 and 10,361,952.90 is: 15,542,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,904.90 : 28,979,857.35 = 10,361,952.90 : x
  2. Step 2: Convert to fraction form
    19,319,904.90/28,979,857.35 = 10,361,952.90/x
  3. Step 3: Cross multiply
    19,319,904.90x = 28,979,857.35 × 10,361,952.90
  4. Step 4: Simplify right side
    19,319,904.90x = 300,287,916,909,418.81
  5. Step 5: Solve for x
    x = 300,287,916,909,418.81/19,319,904.90
  6. Step 6: Final answer
    x = 15,542,929.35

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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.