Home / 18,985,131.40-28,470,698.70-9,397,323.40

Finding the Fourth Proportional to 18,985,131.40, 28,470,698.70 and 9,397,323.40

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Solution

The fourth proportional to 18,985,131.40, 28,470,698.70 and 9,397,323.40 is: 14,092,521.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985,131.40 : 28,470,698.70 = 9,397,323.40 : x
  2. Step 2: Convert to fraction form
    18,985,131.40/28,470,698.70 = 9,397,323.40/x
  3. Step 3: Cross multiply
    18,985,131.40x = 28,470,698.70 × 9,397,323.40
  4. Step 4: Simplify right side
    18,985,131.40x = 267,548,363,107,859.59
  5. Step 5: Solve for x
    x = 267,548,363,107,859.59/18,985,131.40
  6. Step 6: Final answer
    x = 14,092,521.01

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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.