Home / 18,547,165.43-25,598,153.21-10,289,888.04

Finding the Fourth Proportional to 18,547,165.43, 25,598,153.21 and 10,289,888.04

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Solution

The fourth proportional to 18,547,165.43, 25,598,153.21 and 10,289,888.04 is: 14,201,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,547,165.43 : 25,598,153.21 = 10,289,888.04 : x
  2. Step 2: Convert to fraction form
    18,547,165.43/25,598,153.21 = 10,289,888.04/x
  3. Step 3: Cross multiply
    18,547,165.43x = 25,598,153.21 × 10,289,888.04
  4. Step 4: Simplify right side
    18,547,165.43x = 263,402,130,446,221.75
  5. Step 5: Solve for x
    x = 263,402,130,446,221.75/18,547,165.43
  6. Step 6: Final answer
    x = 14,201,745.89

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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.