Home / 28,673,564.10-42,939,487.35-19,036,767.30

Finding the Fourth Proportional to 28,673,564.10, 42,939,487.35 and 19,036,767.30

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Solution

The fourth proportional to 28,673,564.10, 42,939,487.35 and 19,036,767.30 is: 28,508,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,673,564.10 : 42,939,487.35 = 19,036,767.30 : x
  2. Step 2: Convert to fraction form
    28,673,564.10/42,939,487.35 = 19,036,767.30/x
  3. Step 3: Cross multiply
    28,673,564.10x = 42,939,487.35 × 19,036,767.30
  4. Step 4: Simplify right side
    28,673,564.10x = 817,429,028,663,243.75
  5. Step 5: Solve for x
    x = 817,429,028,663,243.75/28,673,564.10
  6. Step 6: Final answer
    x = 28,508,106.83

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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.