Home / 22,190,803.08-30,620,656.06-12,266,345.12

Finding the Fourth Proportional to 22,190,803.08, 30,620,656.06 and 12,266,345.12

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Solution

The fourth proportional to 22,190,803.08, 30,620,656.06 and 12,266,345.12 is: 16,926,090.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190,803.08 : 30,620,656.06 = 12,266,345.12 : x
  2. Step 2: Convert to fraction form
    22,190,803.08/30,620,656.06 = 12,266,345.12/x
  3. Step 3: Cross multiply
    22,190,803.08x = 30,620,656.06 × 12,266,345.12
  4. Step 4: Simplify right side
    22,190,803.08x = 375,603,535,032,779.38
  5. Step 5: Solve for x
    x = 375,603,535,032,779.38/22,190,803.08
  6. Step 6: Final answer
    x = 16,926,090.22

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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.