Home / 8,429,178.60-12,606,443.10-7,085,485.80

Finding the Fourth Proportional to 8,429,178.60, 12,606,443.10 and 7,085,485.80

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Solution

The fourth proportional to 8,429,178.60, 12,606,443.10 and 7,085,485.80 is: 10,596,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429,178.60 : 12,606,443.10 = 7,085,485.80 : x
  2. Step 2: Convert to fraction form
    8,429,178.60/12,606,443.10 = 7,085,485.80/x
  3. Step 3: Cross multiply
    8,429,178.60x = 12,606,443.10 × 7,085,485.80
  4. Step 4: Simplify right side
    8,429,178.60x = 89,322,773,573,557.97
  5. Step 5: Solve for x
    x = 89,322,773,573,557.97/8,429,178.60
  6. Step 6: Final answer
    x = 10,596,853.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.