Home / 17,768,929.37-26,655,020.60-4,989,347.96

Finding the Fourth Proportional to 17,768,929.37, 26,655,020.60 and 4,989,347.96

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Solution

The fourth proportional to 17,768,929.37, 26,655,020.60 and 4,989,347.96 is: 7,484,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768,929.37 : 26,655,020.60 = 4,989,347.96 : x
  2. Step 2: Convert to fraction form
    17,768,929.37/26,655,020.60 = 4,989,347.96/x
  3. Step 3: Cross multiply
    17,768,929.37x = 26,655,020.60 × 4,989,347.96
  4. Step 4: Simplify right side
    17,768,929.37x = 132,991,172,496,146.12
  5. Step 5: Solve for x
    x = 132,991,172,496,146.12/17,768,929.37
  6. Step 6: Final answer
    x = 7,484,478.65

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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.