Home / 10,992,020.40-16,488,030.60-8,157,668.40

Finding the Fourth Proportional to 10,992,020.40, 16,488,030.60 and 8,157,668.40

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Solution

The fourth proportional to 10,992,020.40, 16,488,030.60 and 8,157,668.40 is: 12,236,502.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,020.40 : 16,488,030.60 = 8,157,668.40 : x
  2. Step 2: Convert to fraction form
    10,992,020.40/16,488,030.60 = 8,157,668.40/x
  3. Step 3: Cross multiply
    10,992,020.40x = 16,488,030.60 × 8,157,668.40
  4. Step 4: Simplify right side
    10,992,020.40x = 134,503,886,203,853.05
  5. Step 5: Solve for x
    x = 134,503,886,203,853.05/10,992,020.40
  6. Step 6: Final answer
    x = 12,236,502.60

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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.