Home / 9,252,776.26-12,768,829.50-5,178,395.26

Finding the Fourth Proportional to 9,252,776.26, 12,768,829.50 and 5,178,395.26

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Solution

The fourth proportional to 9,252,776.26, 12,768,829.50 and 5,178,395.26 is: 7,146,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252,776.26 : 12,768,829.50 = 5,178,395.26 : x
  2. Step 2: Convert to fraction form
    9,252,776.26/12,768,829.50 = 5,178,395.26/x
  3. Step 3: Cross multiply
    9,252,776.26x = 12,768,829.50 × 5,178,395.26
  4. Step 4: Simplify right side
    9,252,776.26x = 66,122,046,158,548.16
  5. Step 5: Solve for x
    x = 66,122,046,158,548.16/9,252,776.26
  6. Step 6: Final answer
    x = 7,146,184.49

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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.