Home / 19,171,148.21-28,756,976.54-6,391,657.01

Finding the Fourth Proportional to 19,171,148.21, 28,756,976.54 and 6,391,657.01

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Solution

The fourth proportional to 19,171,148.21, 28,756,976.54 and 6,391,657.01 is: 9,587,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171,148.21 : 28,756,976.54 = 6,391,657.01 : x
  2. Step 2: Convert to fraction form
    19,171,148.21/28,756,976.54 = 6,391,657.01/x
  3. Step 3: Cross multiply
    19,171,148.21x = 28,756,976.54 × 6,391,657.01
  4. Step 4: Simplify right side
    19,171,148.21x = 183,804,730,728,230.72
  5. Step 5: Solve for x
    x = 183,804,730,728,230.72/19,171,148.21
  6. Step 6: Final answer
    x = 9,587,570.28

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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.