Home / 31,209,114.92-46,808,948.45-8,491,783.64

Finding the Fourth Proportional to 31,209,114.92, 46,808,948.45 and 8,491,783.64

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Solution

The fourth proportional to 31,209,114.92, 46,808,948.45 and 8,491,783.64 is: 12,736,390.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209,114.92 : 46,808,948.45 = 8,491,783.64 : x
  2. Step 2: Convert to fraction form
    31,209,114.92/46,808,948.45 = 8,491,783.64/x
  3. Step 3: Cross multiply
    31,209,114.92x = 46,808,948.45 × 8,491,783.64
  4. Step 4: Simplify right side
    31,209,114.92x = 397,491,462,440,498.06
  5. Step 5: Solve for x
    x = 397,491,462,440,498.06/31,209,114.92
  6. Step 6: Final answer
    x = 12,736,390.11

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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.