Home / 30,805,507.44-42,509,983.92-16,864,189.92

Finding the Fourth Proportional to 30,805,507.44, 42,509,983.92 and 16,864,189.92

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Solution

The fourth proportional to 30,805,507.44, 42,509,983.92 and 16,864,189.92 is: 23,271,697.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,805,507.44 : 42,509,983.92 = 16,864,189.92 : x
  2. Step 2: Convert to fraction form
    30,805,507.44/42,509,983.92 = 16,864,189.92/x
  3. Step 3: Cross multiply
    30,805,507.44x = 42,509,983.92 × 16,864,189.92
  4. Step 4: Simplify right side
    30,805,507.44x = 716,896,442,323,026.25
  5. Step 5: Solve for x
    x = 716,896,442,323,026.25/30,805,507.44
  6. Step 6: Final answer
    x = 23,271,697.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.