Home / 13,272,979.36-18,322,373.28-8,924,586.16

Finding the Fourth Proportional to 13,272,979.36, 18,322,373.28 and 8,924,586.16

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Solution

The fourth proportional to 13,272,979.36, 18,322,373.28 and 8,924,586.16 is: 12,319,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272,979.36 : 18,322,373.28 = 8,924,586.16 : x
  2. Step 2: Convert to fraction form
    13,272,979.36/18,322,373.28 = 8,924,586.16/x
  3. Step 3: Cross multiply
    13,272,979.36x = 18,322,373.28 × 8,924,586.16
  4. Step 4: Simplify right side
    13,272,979.36x = 163,519,598,993,041.81
  5. Step 5: Solve for x
    x = 163,519,598,993,041.81/13,272,979.36
  6. Step 6: Final answer
    x = 12,319,735.80

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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.