Home / 12,651,219.60-17,458,609.68-6,849,881.52

Finding the Fourth Proportional to 12,651,219.60, 17,458,609.68 and 6,849,881.52

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Solution

The fourth proportional to 12,651,219.60, 17,458,609.68 and 6,849,881.52 is: 9,452,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,219.60 : 17,458,609.68 = 6,849,881.52 : x
  2. Step 2: Convert to fraction form
    12,651,219.60/17,458,609.68 = 6,849,881.52/x
  3. Step 3: Cross multiply
    12,651,219.60x = 17,458,609.68 × 6,849,881.52
  4. Step 4: Simplify right side
    12,651,219.60x = 119,589,407,811,925.11
  5. Step 5: Solve for x
    x = 119,589,407,811,925.11/12,651,219.60
  6. Step 6: Final answer
    x = 9,452,796.77

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1.5x scale

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.