Home / 12,471,730.80-18,693,599.40-5,282,041.20

Finding the Fourth Proportional to 12,471,730.80, 18,693,599.40 and 5,282,041.20

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Solution

The fourth proportional to 12,471,730.80, 18,693,599.40 and 5,282,041.20 is: 7,917,133.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,730.80 : 18,693,599.40 = 5,282,041.20 : x
  2. Step 2: Convert to fraction form
    12,471,730.80/18,693,599.40 = 5,282,041.20/x
  3. Step 3: Cross multiply
    12,471,730.80x = 18,693,599.40 × 5,282,041.20
  4. Step 4: Simplify right side
    12,471,730.80x = 98,740,362,207,095.28
  5. Step 5: Solve for x
    x = 98,740,362,207,095.28/12,471,730.80
  6. Step 6: Final answer
    x = 7,917,133.86

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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.