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Finding the Fourth Proportional to 13,048,408, 18,006,803.04 and 7,325,272

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Solution

The fourth proportional to 13,048,408, 18,006,803.04 and 7,325,272 is: 10,108,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,048,408 : 18,006,803.04 = 7,325,272 : x
  2. Step 2: Convert to fraction form
    13,048,408/18,006,803.04 = 7,325,272/x
  3. Step 3: Cross multiply
    13,048,408x = 18,006,803.04 × 7,325,272
  4. Step 4: Simplify right side
    13,048,408x = 131,904,730,118,426.88
  5. Step 5: Solve for x
    x = 131,904,730,118,426.88/13,048,408
  6. Step 6: Final answer
    x = 10,108,875.36

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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.