Home / 19,138,268.96-28,710,270.80-6,180,089.76

Finding the Fourth Proportional to 19,138,268.96, 28,710,270.80 and 6,180,089.76

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Solution

The fourth proportional to 19,138,268.96, 28,710,270.80 and 6,180,089.76 is: 9,271,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138,268.96 : 28,710,270.80 = 6,180,089.76 : x
  2. Step 2: Convert to fraction form
    19,138,268.96/28,710,270.80 = 6,180,089.76/x
  3. Step 3: Cross multiply
    19,138,268.96x = 28,710,270.80 × 6,180,089.76
  4. Step 4: Simplify right side
    19,138,268.96x = 177,432,050,577,907
  5. Step 5: Solve for x
    x = 177,432,050,577,907/19,138,268.96
  6. Step 6: Final answer
    x = 9,271,060.56

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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.