Home / 10,245,615.80-15,386,138.40-5,462,646.80

Finding the Fourth Proportional to 10,245,615.80, 15,386,138.40 and 5,462,646.80

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Solution

The fourth proportional to 10,245,615.80, 15,386,138.40 and 5,462,646.80 is: 8,203,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,245,615.80 : 15,386,138.40 = 5,462,646.80 : x
  2. Step 2: Convert to fraction form
    10,245,615.80/15,386,138.40 = 5,462,646.80/x
  3. Step 3: Cross multiply
    10,245,615.80x = 15,386,138.40 × 5,462,646.80
  4. Step 4: Simplify right side
    10,245,615.80x = 84,049,039,695,117.12
  5. Step 5: Solve for x
    x = 84,049,039,695,117.12/10,245,615.80
  6. Step 6: Final answer
    x = 8,203,415.13

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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.