Home / 8,748,007.80-13,122,011.70-7,950,190.20

Finding the Fourth Proportional to 8,748,007.80, 13,122,011.70 and 7,950,190.20

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Solution

The fourth proportional to 8,748,007.80, 13,122,011.70 and 7,950,190.20 is: 11,925,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,007.80 : 13,122,011.70 = 7,950,190.20 : x
  2. Step 2: Convert to fraction form
    8,748,007.80/13,122,011.70 = 7,950,190.20/x
  3. Step 3: Cross multiply
    8,748,007.80x = 13,122,011.70 × 7,950,190.20
  4. Step 4: Simplify right side
    8,748,007.80x = 104,322,488,821,625.34
  5. Step 5: Solve for x
    x = 104,322,488,821,625.34/8,748,007.80
  6. Step 6: Final answer
    x = 11,925,285.30

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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.