Home / 12,361,237.60-18,549,729.60-7,243,657.60

Finding the Fourth Proportional to 12,361,237.60, 18,549,729.60 and 7,243,657.60

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Solution

The fourth proportional to 12,361,237.60, 18,549,729.60 and 7,243,657.60 is: 10,870,100.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361,237.60 : 18,549,729.60 = 7,243,657.60 : x
  2. Step 2: Convert to fraction form
    12,361,237.60/18,549,729.60 = 7,243,657.60/x
  3. Step 3: Cross multiply
    12,361,237.60x = 18,549,729.60 × 7,243,657.60
  4. Step 4: Simplify right side
    12,361,237.60x = 134,367,889,794,984.97
  5. Step 5: Solve for x
    x = 134,367,889,794,984.97/12,361,237.60
  6. Step 6: Final answer
    x = 10,870,100.08

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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.