Home / 17,523,640.80-26,285,461.20-12,421,807.20

Finding the Fourth Proportional to 17,523,640.80, 26,285,461.20 and 12,421,807.20

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Solution

The fourth proportional to 17,523,640.80, 26,285,461.20 and 12,421,807.20 is: 18,632,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,523,640.80 : 26,285,461.20 = 12,421,807.20 : x
  2. Step 2: Convert to fraction form
    17,523,640.80/26,285,461.20 = 12,421,807.20/x
  3. Step 3: Cross multiply
    17,523,640.80x = 26,285,461.20 × 12,421,807.20
  4. Step 4: Simplify right side
    17,523,640.80x = 326,512,931,189,480.62
  5. Step 5: Solve for x
    x = 326,512,931,189,480.62/17,523,640.80
  6. Step 6: Final answer
    x = 18,632,710.80

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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.