Home / 9,176,859.60-12,664,389.60-5,257,314.96

Finding the Fourth Proportional to 9,176,859.60, 12,664,389.60 and 5,257,314.96

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Solution

The fourth proportional to 9,176,859.60, 12,664,389.60 and 5,257,314.96 is: 7,255,279.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176,859.60 : 12,664,389.60 = 5,257,314.96 : x
  2. Step 2: Convert to fraction form
    9,176,859.60/12,664,389.60 = 5,257,314.96/x
  3. Step 3: Cross multiply
    9,176,859.60x = 12,664,389.60 × 5,257,314.96
  4. Step 4: Simplify right side
    9,176,859.60x = 66,580,684,903,348.41
  5. Step 5: Solve for x
    x = 66,580,684,903,348.41/9,176,859.60
  6. Step 6: Final answer
    x = 7,255,279.89

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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.