Home / 12,259,848.76-16,918,590.08-7,106,199.66

Finding the Fourth Proportional to 12,259,848.76, 16,918,590.08 and 7,106,199.66

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Solution

The fourth proportional to 12,259,848.76, 16,918,590.08 and 7,106,199.66 is: 9,806,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,848.76 : 16,918,590.08 = 7,106,199.66 : x
  2. Step 2: Convert to fraction form
    12,259,848.76/16,918,590.08 = 7,106,199.66/x
  3. Step 3: Cross multiply
    12,259,848.76x = 16,918,590.08 × 7,106,199.66
  4. Step 4: Simplify right side
    12,259,848.76x = 120,226,879,091,940.88
  5. Step 5: Solve for x
    x = 120,226,879,091,940.88/12,259,848.76
  6. Step 6: Final answer
    x = 9,806,554.83

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Double scale
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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.