Home / 19,155,813.40-28,733,720.10-18,211,029.40

Finding the Fourth Proportional to 19,155,813.40, 28,733,720.10 and 18,211,029.40

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Solution

The fourth proportional to 19,155,813.40, 28,733,720.10 and 18,211,029.40 is: 27,316,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155,813.40 : 28,733,720.10 = 18,211,029.40 : x
  2. Step 2: Convert to fraction form
    19,155,813.40/28,733,720.10 = 18,211,029.40/x
  3. Step 3: Cross multiply
    19,155,813.40x = 28,733,720.10 × 18,211,029.40
  4. Step 4: Simplify right side
    19,155,813.40x = 523,270,621,512,470.94
  5. Step 5: Solve for x
    x = 523,270,621,512,470.94/19,155,813.40
  6. Step 6: Final answer
    x = 27,316,544.10

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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.