Home / 13,122,114.30-19,683,171.45-8,020,280.70

Finding the Fourth Proportional to 13,122,114.30, 19,683,171.45 and 8,020,280.70

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Solution

The fourth proportional to 13,122,114.30, 19,683,171.45 and 8,020,280.70 is: 12,030,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,114.30 : 19,683,171.45 = 8,020,280.70 : x
  2. Step 2: Convert to fraction form
    13,122,114.30/19,683,171.45 = 8,020,280.70/x
  3. Step 3: Cross multiply
    13,122,114.30x = 19,683,171.45 × 8,020,280.70
  4. Step 4: Simplify right side
    13,122,114.30x = 157,864,560,095,226
  5. Step 5: Solve for x
    x = 157,864,560,095,226/13,122,114.30
  6. Step 6: Final answer
    x = 12,030,421.05

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Double scale
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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.