Home / 12,128,218.90-18,192,328.35-6,063,886.60

Finding the Fourth Proportional to 12,128,218.90, 18,192,328.35 and 6,063,886.60

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Solution

The fourth proportional to 12,128,218.90, 18,192,328.35 and 6,063,886.60 is: 9,095,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,218.90 : 18,192,328.35 = 6,063,886.60 : x
  2. Step 2: Convert to fraction form
    12,128,218.90/18,192,328.35 = 6,063,886.60/x
  3. Step 3: Cross multiply
    12,128,218.90x = 18,192,328.35 × 6,063,886.60
  4. Step 4: Simplify right side
    12,128,218.90x = 110,316,216,104,365.11
  5. Step 5: Solve for x
    x = 110,316,216,104,365.11/12,128,218.90
  6. Step 6: Final answer
    x = 9,095,829.90

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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.