Home / 9,728,925.30-13,429,702.53-8,708,558.58

Finding the Fourth Proportional to 9,728,925.30, 13,429,702.53 and 8,708,558.58

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Solution

The fourth proportional to 9,728,925.30, 13,429,702.53 and 8,708,558.58 is: 12,021,199.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728,925.30 : 13,429,702.53 = 8,708,558.58 : x
  2. Step 2: Convert to fraction form
    9,728,925.30/13,429,702.53 = 8,708,558.58/x
  3. Step 3: Cross multiply
    9,728,925.30x = 13,429,702.53 × 8,708,558.58
  4. Step 4: Simplify right side
    9,728,925.30x = 116,953,351,194,479.20
  5. Step 5: Solve for x
    x = 116,953,351,194,479.20/9,728,925.30
  6. Step 6: Final answer
    x = 12,021,199.42

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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.