Home / 18,907,246.80-28,360,870.20-5,445,435.60

Finding the Fourth Proportional to 18,907,246.80, 28,360,870.20 and 5,445,435.60

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Solution

The fourth proportional to 18,907,246.80, 28,360,870.20 and 5,445,435.60 is: 8,168,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,907,246.80 : 28,360,870.20 = 5,445,435.60 : x
  2. Step 2: Convert to fraction form
    18,907,246.80/28,360,870.20 = 5,445,435.60/x
  3. Step 3: Cross multiply
    18,907,246.80x = 28,360,870.20 × 5,445,435.60
  4. Step 4: Simplify right side
    18,907,246.80x = 154,437,292,234,059.09
  5. Step 5: Solve for x
    x = 154,437,292,234,059.09/18,907,246.80
  6. Step 6: Final answer
    x = 8,168,153.40

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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.