Home / 8,748,025.80-13,122,038.70-7,685,143.80

Finding the Fourth Proportional to 8,748,025.80, 13,122,038.70 and 7,685,143.80

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Solution

The fourth proportional to 8,748,025.80, 13,122,038.70 and 7,685,143.80 is: 11,527,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,748,025.80 : 13,122,038.70 = 7,685,143.80 : x
  2. Step 2: Convert to fraction form
    8,748,025.80/13,122,038.70 = 7,685,143.80/x
  3. Step 3: Cross multiply
    8,748,025.80x = 13,122,038.70 × 7,685,143.80
  4. Step 4: Simplify right side
    8,748,025.80x = 100,844,754,358,665.05
  5. Step 5: Solve for x
    x = 100,844,754,358,665.05/8,748,025.80
  6. Step 6: Final answer
    x = 11,527,715.70

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Similar ratio
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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.