Home / 18,837,734.04-28,257,155.10-5,191,087.32

Finding the Fourth Proportional to 18,837,734.04, 28,257,155.10 and 5,191,087.32

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Solution

The fourth proportional to 18,837,734.04, 28,257,155.10 and 5,191,087.32 is: 7,786,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,734.04 : 28,257,155.10 = 5,191,087.32 : x
  2. Step 2: Convert to fraction form
    18,837,734.04/28,257,155.10 = 5,191,087.32/x
  3. Step 3: Cross multiply
    18,837,734.04x = 28,257,155.10 × 5,191,087.32
  4. Step 4: Simplify right side
    18,837,734.04x = 146,685,359,538,883.34
  5. Step 5: Solve for x
    x = 146,685,359,538,883.34/18,837,734.04
  6. Step 6: Final answer
    x = 7,786,783.66

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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.