Home / 13,181,897.40-19,772,846.10-5,609,110.20

Finding the Fourth Proportional to 13,181,897.40, 19,772,846.10 and 5,609,110.20

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Solution

The fourth proportional to 13,181,897.40, 19,772,846.10 and 5,609,110.20 is: 8,413,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181,897.40 : 19,772,846.10 = 5,609,110.20 : x
  2. Step 2: Convert to fraction form
    13,181,897.40/19,772,846.10 = 5,609,110.20/x
  3. Step 3: Cross multiply
    13,181,897.40x = 19,772,846.10 × 5,609,110.20
  4. Step 4: Simplify right side
    13,181,897.40x = 110,908,072,742,540.23
  5. Step 5: Solve for x
    x = 110,908,072,742,540.23/13,181,897.40
  6. Step 6: Final answer
    x = 8,413,665.30

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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.