Home / 19,319,957.90-28,979,936.85-10,362,005.90

Finding the Fourth Proportional to 19,319,957.90, 28,979,936.85 and 10,362,005.90

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Solution

The fourth proportional to 19,319,957.90, 28,979,936.85 and 10,362,005.90 is: 15,543,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319,957.90 : 28,979,936.85 = 10,362,005.90 : x
  2. Step 2: Convert to fraction form
    19,319,957.90/28,979,936.85 = 10,362,005.90/x
  3. Step 3: Cross multiply
    19,319,957.90x = 28,979,936.85 × 10,362,005.90
  4. Step 4: Simplify right side
    19,319,957.90x = 300,290,276,621,327.44
  5. Step 5: Solve for x
    x = 300,290,276,621,327.44/19,319,957.90
  6. Step 6: Final answer
    x = 15,543,008.85

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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.