Home / 12,462,228.20-18,660,707.40-10,020,402.20

Finding the Fourth Proportional to 12,462,228.20, 18,660,707.40 and 10,020,402.20

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Solution

The fourth proportional to 12,462,228.20, 18,660,707.40 and 10,020,402.20 is: 15,004,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,228.20 : 18,660,707.40 = 10,020,402.20 : x
  2. Step 2: Convert to fraction form
    12,462,228.20/18,660,707.40 = 10,020,402.20/x
  3. Step 3: Cross multiply
    12,462,228.20x = 18,660,707.40 × 10,020,402.20
  4. Step 4: Simplify right side
    12,462,228.20x = 186,987,793,484,516.25
  5. Step 5: Solve for x
    x = 186,987,793,484,516.25/12,462,228.20
  6. Step 6: Final answer
    x = 15,004,362.82

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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.