Home / 18,230,315.58-25,157,779.20-9,857,626.74

Finding the Fourth Proportional to 18,230,315.58, 25,157,779.20 and 9,857,626.74

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Solution

The fourth proportional to 18,230,315.58, 25,157,779.20 and 9,857,626.74 is: 13,603,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230,315.58 : 25,157,779.20 = 9,857,626.74 : x
  2. Step 2: Convert to fraction form
    18,230,315.58/25,157,779.20 = 9,857,626.74/x
  3. Step 3: Cross multiply
    18,230,315.58x = 25,157,779.20 × 9,857,626.74
  4. Step 4: Simplify right side
    18,230,315.58x = 247,995,996,960,935.81
  5. Step 5: Solve for x
    x = 247,995,996,960,935.81/18,230,315.58
  6. Step 6: Final answer
    x = 13,603,494.46

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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.