Home / 12,194,483.72-16,828,696.50-6,688,077.80

Finding the Fourth Proportional to 12,194,483.72, 16,828,696.50 and 6,688,077.80

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Solution

The fourth proportional to 12,194,483.72, 16,828,696.50 and 6,688,077.80 is: 9,229,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194,483.72 : 16,828,696.50 = 6,688,077.80 : x
  2. Step 2: Convert to fraction form
    12,194,483.72/16,828,696.50 = 6,688,077.80/x
  3. Step 3: Cross multiply
    12,194,483.72x = 16,828,696.50 × 6,688,077.80
  4. Step 4: Simplify right side
    12,194,483.72x = 112,551,631,464,587.70
  5. Step 5: Solve for x
    x = 112,551,631,464,587.70/12,194,483.72
  6. Step 6: Final answer
    x = 9,229,716.82

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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.