Home / 12,114,829.20-18,159,802.20-7,063,539.60

Finding the Fourth Proportional to 12,114,829.20, 18,159,802.20 and 7,063,539.60

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Solution

The fourth proportional to 12,114,829.20, 18,159,802.20 and 7,063,539.60 is: 10,588,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114,829.20 : 18,159,802.20 = 7,063,539.60 : x
  2. Step 2: Convert to fraction form
    12,114,829.20/18,159,802.20 = 7,063,539.60/x
  3. Step 3: Cross multiply
    12,114,829.20x = 18,159,802.20 × 7,063,539.60
  4. Step 4: Simplify right side
    12,114,829.20x = 128,272,481,967,867.11
  5. Step 5: Solve for x
    x = 128,272,481,967,867.11/12,114,829.20
  6. Step 6: Final answer
    x = 10,588,055.34

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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.