Home / 20,173,916.90-30,260,875.35-17,780,464.10

Finding the Fourth Proportional to 20,173,916.90, 30,260,875.35 and 17,780,464.10

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Solution

The fourth proportional to 20,173,916.90, 30,260,875.35 and 17,780,464.10 is: 26,670,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,916.90 : 30,260,875.35 = 17,780,464.10 : x
  2. Step 2: Convert to fraction form
    20,173,916.90/30,260,875.35 = 17,780,464.10/x
  3. Step 3: Cross multiply
    20,173,916.90x = 30,260,875.35 × 17,780,464.10
  4. Step 4: Simplify right side
    20,173,916.90x = 538,052,407,795,250
  5. Step 5: Solve for x
    x = 538,052,407,795,250/20,173,916.90
  6. Step 6: Final answer
    x = 26,670,696.15

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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.