Home / 12,651,123.96-17,458,559.30-6,849,909.63

Finding the Fourth Proportional to 12,651,123.96, 17,458,559.30 and 6,849,909.63

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Solution

The fourth proportional to 12,651,123.96, 17,458,559.30 and 6,849,909.63 is: 9,452,879.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,651,123.96 : 17,458,559.30 = 6,849,909.63 : x
  2. Step 2: Convert to fraction form
    12,651,123.96/17,458,559.30 = 6,849,909.63/x
  3. Step 3: Cross multiply
    12,651,123.96x = 17,458,559.30 × 6,849,909.63
  4. Step 4: Simplify right side
    12,651,123.96x = 119,589,553,492,120.81
  5. Step 5: Solve for x
    x = 119,589,553,492,120.81/12,651,123.96
  6. Step 6: Final answer
    x = 9,452,879.75

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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.