Home / 19,179,024.16-28,779,886.38-7,057,000.28

Finding the Fourth Proportional to 19,179,024.16, 28,779,886.38 and 7,057,000.28

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Solution

The fourth proportional to 19,179,024.16, 28,779,886.38 and 7,057,000.28 is: 10,589,676.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,024.16 : 28,779,886.38 = 7,057,000.28 : x
  2. Step 2: Convert to fraction form
    19,179,024.16/28,779,886.38 = 7,057,000.28/x
  3. Step 3: Cross multiply
    19,179,024.16x = 28,779,886.38 × 7,057,000.28
  4. Step 4: Simplify right side
    19,179,024.16x = 203,099,666,242,028.19
  5. Step 5: Solve for x
    x = 203,099,666,242,028.19/19,179,024.16
  6. Step 6: Final answer
    x = 10,589,676.75

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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.