Home / 8,530,638.72-11,778,445.88-5,271,921.24

Finding the Fourth Proportional to 8,530,638.72, 11,778,445.88 and 5,271,921.24

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Solution

The fourth proportional to 8,530,638.72, 11,778,445.88 and 5,271,921.24 is: 7,279,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,638.72 : 11,778,445.88 = 5,271,921.24 : x
  2. Step 2: Convert to fraction form
    8,530,638.72/11,778,445.88 = 5,271,921.24/x
  3. Step 3: Cross multiply
    8,530,638.72x = 11,778,445.88 × 5,271,921.24
  4. Step 4: Simplify right side
    8,530,638.72x = 62,095,039,008,962.50
  5. Step 5: Solve for x
    x = 62,095,039,008,962.50/8,530,638.72
  6. Step 6: Final answer
    x = 7,279,060.93

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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.