Home / 9,118,098.98-12,586,720.12-6,181,937.58

Finding the Fourth Proportional to 9,118,098.98, 12,586,720.12 and 6,181,937.58

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Solution

The fourth proportional to 9,118,098.98, 12,586,720.12 and 6,181,937.58 is: 8,533,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118,098.98 : 12,586,720.12 = 6,181,937.58 : x
  2. Step 2: Convert to fraction form
    9,118,098.98/12,586,720.12 = 6,181,937.58/x
  3. Step 3: Cross multiply
    9,118,098.98x = 12,586,720.12 × 6,181,937.58
  4. Step 4: Simplify right side
    9,118,098.98x = 77,810,318,079,715.16
  5. Step 5: Solve for x
    x = 77,810,318,079,715.16/9,118,098.98
  6. Step 6: Final answer
    x = 8,533,611.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.