Home / 7,800,586.40-11,700,879.60-3,549,058.40

Finding the Fourth Proportional to 7,800,586.40, 11,700,879.60 and 3,549,058.40

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Solution

The fourth proportional to 7,800,586.40, 11,700,879.60 and 3,549,058.40 is: 5,323,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,586.40 : 11,700,879.60 = 3,549,058.40 : x
  2. Step 2: Convert to fraction form
    7,800,586.40/11,700,879.60 = 3,549,058.40/x
  3. Step 3: Cross multiply
    7,800,586.40x = 11,700,879.60 × 3,549,058.40
  4. Step 4: Simplify right side
    7,800,586.40x = 41,527,105,031,768.64
  5. Step 5: Solve for x
    x = 41,527,105,031,768.64/7,800,586.40
  6. Step 6: Final answer
    x = 5,323,587.60

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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.