Home / 8,748,048.80-13,122,073.20-7,685,166.80

Finding the Fourth Proportional to 8,748,048.80, 13,122,073.20 and 7,685,166.80

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Solution

The fourth proportional to 8,748,048.80, 13,122,073.20 and 7,685,166.80 is: 11,527,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,048.80 : 13,122,073.20 = 7,685,166.80 : x
  2. Step 2: Convert to fraction form
    8,748,048.80/13,122,073.20 = 7,685,166.80/x
  3. Step 3: Cross multiply
    8,748,048.80x = 13,122,073.20 × 7,685,166.80
  4. Step 4: Simplify right side
    8,748,048.80x = 100,845,321,303,809.75
  5. Step 5: Solve for x
    x = 100,845,321,303,809.75/8,748,048.80
  6. Step 6: Final answer
    x = 11,527,750.20

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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.