Home / 29,381,048.10-40,533,269.04-18,348,644.64

Finding the Fourth Proportional to 29,381,048.10, 40,533,269.04 and 18,348,644.64

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Solution

The fourth proportional to 29,381,048.10, 40,533,269.04 and 18,348,644.64 is: 25,313,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,381,048.10 : 40,533,269.04 = 18,348,644.64 : x
  2. Step 2: Convert to fraction form
    29,381,048.10/40,533,269.04 = 18,348,644.64/x
  3. Step 3: Cross multiply
    29,381,048.10x = 40,533,269.04 × 18,348,644.64
  4. Step 4: Simplify right side
    29,381,048.10x = 743,730,549,712,474
  5. Step 5: Solve for x
    x = 743,730,549,712,474/29,381,048.10
  6. Step 6: Final answer
    x = 25,313,274.98

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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.