Home / 12,884,732.15-17,780,941.80-7,083,612.59

Finding the Fourth Proportional to 12,884,732.15, 17,780,941.80 and 7,083,612.59

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Solution

The fourth proportional to 12,884,732.15, 17,780,941.80 and 7,083,612.59 is: 9,775,391.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,732.15 : 17,780,941.80 = 7,083,612.59 : x
  2. Step 2: Convert to fraction form
    12,884,732.15/17,780,941.80 = 7,083,612.59/x
  3. Step 3: Cross multiply
    12,884,732.15x = 17,780,941.80 × 7,083,612.59
  4. Step 4: Simplify right side
    12,884,732.15x = 125,953,303,107,632.56
  5. Step 5: Solve for x
    x = 125,953,303,107,632.56/12,884,732.15
  6. Step 6: Final answer
    x = 9,775,391.66

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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.