Home / 19,797,000.40-29,695,500.60-18,362,109.70

Finding the Fourth Proportional to 19,797,000.40, 29,695,500.60 and 18,362,109.70

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Solution

The fourth proportional to 19,797,000.40, 29,695,500.60 and 18,362,109.70 is: 27,543,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,797,000.40 : 29,695,500.60 = 18,362,109.70 : x
  2. Step 2: Convert to fraction form
    19,797,000.40/29,695,500.60 = 18,362,109.70/x
  3. Step 3: Cross multiply
    19,797,000.40x = 29,695,500.60 × 18,362,109.70
  4. Step 4: Simplify right side
    19,797,000.40x = 545,272,039,613,615.81
  5. Step 5: Solve for x
    x = 545,272,039,613,615.81/19,797,000.40
  6. Step 6: Final answer
    x = 27,543,164.55

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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.