Home / 13,272,975.36-18,322,367.76-8,924,582.16

Finding the Fourth Proportional to 13,272,975.36, 18,322,367.76 and 8,924,582.16

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Solution

The fourth proportional to 13,272,975.36, 18,322,367.76 and 8,924,582.16 is: 12,319,730.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272,975.36 : 18,322,367.76 = 8,924,582.16 : x
  2. Step 2: Convert to fraction form
    13,272,975.36/18,322,367.76 = 8,924,582.16/x
  3. Step 3: Cross multiply
    13,272,975.36x = 18,322,367.76 × 8,924,582.16
  4. Step 4: Simplify right side
    13,272,975.36x = 163,519,476,439,855.19
  5. Step 5: Solve for x
    x = 163,519,476,439,855.19/13,272,975.36
  6. Step 6: Final answer
    x = 12,319,730.28

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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.