Home / 12,042,410.40-18,063,615.60-9,774,928.80

Finding the Fourth Proportional to 12,042,410.40, 18,063,615.60 and 9,774,928.80

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Solution

The fourth proportional to 12,042,410.40, 18,063,615.60 and 9,774,928.80 is: 14,662,393.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042,410.40 : 18,063,615.60 = 9,774,928.80 : x
  2. Step 2: Convert to fraction form
    12,042,410.40/18,063,615.60 = 9,774,928.80/x
  3. Step 3: Cross multiply
    12,042,410.40x = 18,063,615.60 × 9,774,928.80
  4. Step 4: Simplify right side
    12,042,410.40x = 176,570,556,360,569.31
  5. Step 5: Solve for x
    x = 176,570,556,360,569.31/12,042,410.40
  6. Step 6: Final answer
    x = 14,662,393.20

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Similar ratio
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1.5x scale

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.