Home / 12,668,388.04-18,999,659.58-7,552,253.08

Finding the Fourth Proportional to 12,668,388.04, 18,999,659.58 and 7,552,253.08

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Solution

The fourth proportional to 12,668,388.04, 18,999,659.58 and 7,552,253.08 is: 11,326,637.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,388.04 : 18,999,659.58 = 7,552,253.08 : x
  2. Step 2: Convert to fraction form
    12,668,388.04/18,999,659.58 = 7,552,253.08/x
  3. Step 3: Cross multiply
    12,668,388.04x = 18,999,659.58 × 7,552,253.08
  4. Step 4: Simplify right side
    12,668,388.04x = 143,490,237,582,006.50
  5. Step 5: Solve for x
    x = 143,490,237,582,006.50/12,668,388.04
  6. Step 6: Final answer
    x = 11,326,637.39

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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.