Home / 19,997,143.90-29,995,715.85-17,603,691.10

Finding the Fourth Proportional to 19,997,143.90, 29,995,715.85 and 17,603,691.10

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Solution

The fourth proportional to 19,997,143.90, 29,995,715.85 and 17,603,691.10 is: 26,405,536.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997,143.90 : 29,995,715.85 = 17,603,691.10 : x
  2. Step 2: Convert to fraction form
    19,997,143.90/29,995,715.85 = 17,603,691.10/x
  3. Step 3: Cross multiply
    19,997,143.90x = 29,995,715.85 × 17,603,691.10
  4. Step 4: Simplify right side
    19,997,143.90x = 528,035,316,146,774
  5. Step 5: Solve for x
    x = 528,035,316,146,774/19,997,143.90
  6. Step 6: Final answer
    x = 26,405,536.65

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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.