Home / 13,759,058.40-20,630,811.60-5,239,672.80

Finding the Fourth Proportional to 13,759,058.40, 20,630,811.60 and 5,239,672.80

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Solution

The fourth proportional to 13,759,058.40, 20,630,811.60 and 5,239,672.80 is: 7,856,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,058.40 : 20,630,811.60 = 5,239,672.80 : x
  2. Step 2: Convert to fraction form
    13,759,058.40/20,630,811.60 = 5,239,672.80/x
  3. Step 3: Cross multiply
    13,759,058.40x = 20,630,811.60 × 5,239,672.80
  4. Step 4: Simplify right side
    13,759,058.40x = 108,098,702,382,444.48
  5. Step 5: Solve for x
    x = 108,098,702,382,444.48/13,759,058.40
  6. Step 6: Final answer
    x = 7,856,547.97

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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.