Home / 18,888,946.60-28,340,418.30-18,189,106.60

Finding the Fourth Proportional to 18,888,946.60, 28,340,418.30 and 18,189,106.60

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Solution

The fourth proportional to 18,888,946.60, 28,340,418.30 and 18,189,106.60 is: 27,290,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,888,946.60 : 28,340,418.30 = 18,189,106.60 : x
  2. Step 2: Convert to fraction form
    18,888,946.60/28,340,418.30 = 18,189,106.60/x
  3. Step 3: Cross multiply
    18,888,946.60x = 28,340,418.30 × 18,189,106.60
  4. Step 4: Simplify right side
    18,888,946.60x = 515,486,889,547,290.81
  5. Step 5: Solve for x
    x = 515,486,889,547,290.81/18,888,946.60
  6. Step 6: Final answer
    x = 27,290,399.01

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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.