Home / 18,345,673.90-27,518,510.85-4,698,793.90

Finding the Fourth Proportional to 18,345,673.90, 27,518,510.85 and 4,698,793.90

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Solution

The fourth proportional to 18,345,673.90, 27,518,510.85 and 4,698,793.90 is: 7,048,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,345,673.90 : 27,518,510.85 = 4,698,793.90 : x
  2. Step 2: Convert to fraction form
    18,345,673.90/27,518,510.85 = 4,698,793.90/x
  3. Step 3: Cross multiply
    18,345,673.90x = 27,518,510.85 × 4,698,793.90
  4. Step 4: Simplify right side
    18,345,673.90x = 129,303,810,919,063.83
  5. Step 5: Solve for x
    x = 129,303,810,919,063.83/18,345,673.90
  6. Step 6: Final answer
    x = 7,048,190.85

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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.