Home / 8,590,815.70-12,885,931.95-2,201,130.70

Finding the Fourth Proportional to 8,590,815.70, 12,885,931.95 and 2,201,130.70

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Solution

The fourth proportional to 8,590,815.70, 12,885,931.95 and 2,201,130.70 is: 3,301,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590,815.70 : 12,885,931.95 = 2,201,130.70 : x
  2. Step 2: Convert to fraction form
    8,590,815.70/12,885,931.95 = 2,201,130.70/x
  3. Step 3: Cross multiply
    8,590,815.70x = 12,885,931.95 × 2,201,130.70
  4. Step 4: Simplify right side
    8,590,815.70x = 28,363,620,413,255.87
  5. Step 5: Solve for x
    x = 28,363,620,413,255.87/8,590,815.70
  6. Step 6: Final answer
    x = 3,301,621.34

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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.