Home / 14,188,011.40-21,282,017.10-8,519,307.40

Finding the Fourth Proportional to 14,188,011.40, 21,282,017.10 and 8,519,307.40

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Solution

The fourth proportional to 14,188,011.40, 21,282,017.10 and 8,519,307.40 is: 12,778,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,011.40 : 21,282,017.10 = 8,519,307.40 : x
  2. Step 2: Convert to fraction form
    14,188,011.40/21,282,017.10 = 8,519,307.40/x
  3. Step 3: Cross multiply
    14,188,011.40x = 21,282,017.10 × 8,519,307.40
  4. Step 4: Simplify right side
    14,188,011.40x = 181,308,045,766,956.56
  5. Step 5: Solve for x
    x = 181,308,045,766,956.56/14,188,011.40
  6. Step 6: Final answer
    x = 12,778,961.10

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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.