Home / 15,275,364.61-21,080,028.32-8,306,035.69

Finding the Fourth Proportional to 15,275,364.61, 21,080,028.32 and 8,306,035.69

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Solution

The fourth proportional to 15,275,364.61, 21,080,028.32 and 8,306,035.69 is: 11,462,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,275,364.61 : 21,080,028.32 = 8,306,035.69 : x
  2. Step 2: Convert to fraction form
    15,275,364.61/21,080,028.32 = 8,306,035.69/x
  3. Step 3: Cross multiply
    15,275,364.61x = 21,080,028.32 × 8,306,035.69
  4. Step 4: Simplify right side
    15,275,364.61x = 175,091,467,572,130.75
  5. Step 5: Solve for x
    x = 175,091,467,572,130.75/15,275,364.61
  6. Step 6: Final answer
    x = 11,462,342.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.