Home / 20,733,610-28,618,072.56-12,034,585.20

Finding the Fourth Proportional to 20,733,610, 28,618,072.56 and 12,034,585.20

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Solution

The fourth proportional to 20,733,610, 28,618,072.56 and 12,034,585.20 is: 16,611,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,610 : 28,618,072.56 = 12,034,585.20 : x
  2. Step 2: Convert to fraction form
    20,733,610/28,618,072.56 = 12,034,585.20/x
  3. Step 3: Cross multiply
    20,733,610x = 28,618,072.56 × 12,034,585.20
  4. Step 4: Simplify right side
    20,733,610x = 344,406,632,483,102.06
  5. Step 5: Solve for x
    x = 344,406,632,483,102.06/20,733,610
  6. Step 6: Final answer
    x = 16,611,030.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.