Home / 12,734,416.80-19,101,625.20-8,908,041.60

Finding the Fourth Proportional to 12,734,416.80, 19,101,625.20 and 8,908,041.60

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Solution

The fourth proportional to 12,734,416.80, 19,101,625.20 and 8,908,041.60 is: 13,362,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734,416.80 : 19,101,625.20 = 8,908,041.60 : x
  2. Step 2: Convert to fraction form
    12,734,416.80/19,101,625.20 = 8,908,041.60/x
  3. Step 3: Cross multiply
    12,734,416.80x = 19,101,625.20 × 8,908,041.60
  4. Step 4: Simplify right side
    12,734,416.80x = 170,158,071,909,208.31
  5. Step 5: Solve for x
    x = 170,158,071,909,208.31/12,734,416.80
  6. Step 6: Final answer
    x = 13,362,062.40

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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.