Home / 11,047,345.20-16,571,017.80-7,008,393.60

Finding the Fourth Proportional to 11,047,345.20, 16,571,017.80 and 7,008,393.60

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Solution

The fourth proportional to 11,047,345.20, 16,571,017.80 and 7,008,393.60 is: 10,512,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047,345.20 : 16,571,017.80 = 7,008,393.60 : x
  2. Step 2: Convert to fraction form
    11,047,345.20/16,571,017.80 = 7,008,393.60/x
  3. Step 3: Cross multiply
    11,047,345.20x = 16,571,017.80 × 7,008,393.60
  4. Step 4: Simplify right side
    11,047,345.20x = 116,136,215,095,006.08
  5. Step 5: Solve for x
    x = 116,136,215,095,006.08/11,047,345.20
  6. Step 6: Final answer
    x = 10,512,590.40

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Similar ratio
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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.