Home / 29,143,213.60-43,679,828.40-12,095,111.20

Finding the Fourth Proportional to 29,143,213.60, 43,679,828.40 and 12,095,111.20

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Solution

The fourth proportional to 29,143,213.60, 43,679,828.40 and 12,095,111.20 is: 18,128,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143,213.60 : 43,679,828.40 = 12,095,111.20 : x
  2. Step 2: Convert to fraction form
    29,143,213.60/43,679,828.40 = 12,095,111.20/x
  3. Step 3: Cross multiply
    29,143,213.60x = 43,679,828.40 × 12,095,111.20
  4. Step 4: Simplify right side
    29,143,213.60x = 528,312,381,694,918
  5. Step 5: Solve for x
    x = 528,312,381,694,918/29,143,213.60
  6. Step 6: Final answer
    x = 18,128,144.31

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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.