Home / 18,933,887.70-28,400,831.55-16,595,547.30

Finding the Fourth Proportional to 18,933,887.70, 28,400,831.55 and 16,595,547.30

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Solution

The fourth proportional to 18,933,887.70, 28,400,831.55 and 16,595,547.30 is: 24,893,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933,887.70 : 28,400,831.55 = 16,595,547.30 : x
  2. Step 2: Convert to fraction form
    18,933,887.70/28,400,831.55 = 16,595,547.30/x
  3. Step 3: Cross multiply
    18,933,887.70x = 28,400,831.55 × 16,595,547.30
  4. Step 4: Simplify right side
    18,933,887.70x = 471,327,343,347,357.38
  5. Step 5: Solve for x
    x = 471,327,343,347,357.38/18,933,887.70
  6. Step 6: Final answer
    x = 24,893,320.95

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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.