Home / 18,636,000.20-27,969,746.70-7,284,595.40

Finding the Fourth Proportional to 18,636,000.20, 27,969,746.70 and 7,284,595.40

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Solution

The fourth proportional to 18,636,000.20, 27,969,746.70 and 7,284,595.40 is: 10,933,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636,000.20 : 27,969,746.70 = 7,284,595.40 : x
  2. Step 2: Convert to fraction form
    18,636,000.20/27,969,746.70 = 7,284,595.40/x
  3. Step 3: Cross multiply
    18,636,000.20x = 27,969,746.70 × 7,284,595.40
  4. Step 4: Simplify right side
    18,636,000.20x = 203,748,288,149,985.19
  5. Step 5: Solve for x
    x = 203,748,288,149,985.19/18,636,000.20
  6. Step 6: Final answer
    x = 10,933,048.18

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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.