Home / 19,157,411.10-28,757,111.85-11,977,052.70

Finding the Fourth Proportional to 19,157,411.10, 28,757,111.85 and 11,977,052.70

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Solution

The fourth proportional to 19,157,411.10, 28,757,111.85 and 11,977,052.70 is: 17,978,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157,411.10 : 28,757,111.85 = 11,977,052.70 : x
  2. Step 2: Convert to fraction form
    19,157,411.10/28,757,111.85 = 11,977,052.70/x
  3. Step 3: Cross multiply
    19,157,411.10x = 28,757,111.85 × 11,977,052.70
  4. Step 4: Simplify right side
    19,157,411.10x = 344,425,444,127,244.50
  5. Step 5: Solve for x
    x = 344,425,444,127,244.50/19,157,411.10
  6. Step 6: Final answer
    x = 17,978,705.07

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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.