Home / 19,320,005.90-28,980,008.85-10,362,053.90

Finding the Fourth Proportional to 19,320,005.90, 28,980,008.85 and 10,362,053.90

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Solution

The fourth proportional to 19,320,005.90, 28,980,008.85 and 10,362,053.90 is: 15,543,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,005.90 : 28,980,008.85 = 10,362,053.90 : x
  2. Step 2: Convert to fraction form
    19,320,005.90/28,980,008.85 = 10,362,053.90/x
  3. Step 3: Cross multiply
    19,320,005.90x = 28,980,008.85 × 10,362,053.90
  4. Step 4: Simplify right side
    19,320,005.90x = 300,292,413,726,177.06
  5. Step 5: Solve for x
    x = 300,292,413,726,177.06/19,320,005.90
  6. Step 6: Final answer
    x = 15,543,080.85

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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.