Home / 11,700,798.60-17,551,197.90-7,874,423.40

Finding the Fourth Proportional to 11,700,798.60, 17,551,197.90 and 7,874,423.40

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Solution

The fourth proportional to 11,700,798.60, 17,551,197.90 and 7,874,423.40 is: 11,811,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,798.60 : 17,551,197.90 = 7,874,423.40 : x
  2. Step 2: Convert to fraction form
    11,700,798.60/17,551,197.90 = 7,874,423.40/x
  3. Step 3: Cross multiply
    11,700,798.60x = 17,551,197.90 × 7,874,423.40
  4. Step 4: Simplify right side
    11,700,798.60x = 138,205,563,441,790.86
  5. Step 5: Solve for x
    x = 138,205,563,441,790.86/11,700,798.60
  6. Step 6: Final answer
    x = 11,811,635.10

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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.