Home / 12,411,400.40-18,617,100.60-8,585,025.20

Finding the Fourth Proportional to 12,411,400.40, 18,617,100.60 and 8,585,025.20

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Solution

The fourth proportional to 12,411,400.40, 18,617,100.60 and 8,585,025.20 is: 12,877,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,411,400.40 : 18,617,100.60 = 8,585,025.20 : x
  2. Step 2: Convert to fraction form
    12,411,400.40/18,617,100.60 = 8,585,025.20/x
  3. Step 3: Cross multiply
    12,411,400.40x = 18,617,100.60 × 8,585,025.20
  4. Step 4: Simplify right side
    12,411,400.40x = 159,828,277,801,935.12
  5. Step 5: Solve for x
    x = 159,828,277,801,935.12/12,411,400.40
  6. Step 6: Final answer
    x = 12,877,537.80

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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.