Home / 8,411,999.70-12,617,999.55-8,358,855.60

Finding the Fourth Proportional to 8,411,999.70, 12,617,999.55 and 8,358,855.60

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Solution

The fourth proportional to 8,411,999.70, 12,617,999.55 and 8,358,855.60 is: 12,538,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411,999.70 : 12,617,999.55 = 8,358,855.60 : x
  2. Step 2: Convert to fraction form
    8,411,999.70/12,617,999.55 = 8,358,855.60/x
  3. Step 3: Cross multiply
    8,411,999.70x = 12,617,999.55 × 8,358,855.60
  4. Step 4: Simplify right side
    8,411,999.70x = 105,472,036,199,314.98
  5. Step 5: Solve for x
    x = 105,472,036,199,314.98/8,411,999.70
  6. Step 6: Final answer
    x = 12,538,283.40

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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.