Home / 9,780,364.49-13,496,225.90-5,429,106.86

Finding the Fourth Proportional to 9,780,364.49, 13,496,225.90 and 5,429,106.86

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Solution

The fourth proportional to 9,780,364.49, 13,496,225.90 and 5,429,106.86 is: 7,491,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,364.49 : 13,496,225.90 = 5,429,106.86 : x
  2. Step 2: Convert to fraction form
    9,780,364.49/13,496,225.90 = 5,429,106.86/x
  3. Step 3: Cross multiply
    9,780,364.49x = 13,496,225.90 × 5,429,106.86
  4. Step 4: Simplify right side
    9,780,364.49x = 73,272,452,614,361.36
  5. Step 5: Solve for x
    x = 73,272,452,614,361.36/9,780,364.49
  6. Step 6: Final answer
    x = 7,491,791.61

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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.