Home / 8,488,583.70-12,732,875.55-8,320,622.10

Finding the Fourth Proportional to 8,488,583.70, 12,732,875.55 and 8,320,622.10

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Solution

The fourth proportional to 8,488,583.70, 12,732,875.55 and 8,320,622.10 is: 12,480,933.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488,583.70 : 12,732,875.55 = 8,320,622.10 : x
  2. Step 2: Convert to fraction form
    8,488,583.70/12,732,875.55 = 8,320,622.10/x
  3. Step 3: Cross multiply
    8,488,583.70x = 12,732,875.55 × 8,320,622.10
  4. Step 4: Simplify right side
    8,488,583.70x = 105,945,445,697,879.66
  5. Step 5: Solve for x
    x = 105,945,445,697,879.66/8,488,583.70
  6. Step 6: Final answer
    x = 12,480,933.15

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Double scale
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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.