Home / 19,319,817.40-28,979,726.10-10,361,865.40

Finding the Fourth Proportional to 19,319,817.40, 28,979,726.10 and 10,361,865.40

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Solution

The fourth proportional to 19,319,817.40, 28,979,726.10 and 10,361,865.40 is: 15,542,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,817.40 : 28,979,726.10 = 10,361,865.40 : x
  2. Step 2: Convert to fraction form
    19,319,817.40/28,979,726.10 = 10,361,865.40/x
  3. Step 3: Cross multiply
    19,319,817.40x = 28,979,726.10 × 10,361,865.40
  4. Step 4: Simplify right side
    19,319,817.40x = 300,284,021,177,066.94
  5. Step 5: Solve for x
    x = 300,284,021,177,066.94/19,319,817.40
  6. Step 6: Final answer
    x = 15,542,798.10

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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.