Home / 8,845,929.30-12,207,775.22-4,978,700.94

Finding the Fourth Proportional to 8,845,929.30, 12,207,775.22 and 4,978,700.94

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Solution

The fourth proportional to 8,845,929.30, 12,207,775.22 and 4,978,700.94 is: 6,870,828.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,929.30 : 12,207,775.22 = 4,978,700.94 : x
  2. Step 2: Convert to fraction form
    8,845,929.30/12,207,775.22 = 4,978,700.94/x
  3. Step 3: Cross multiply
    8,845,929.30x = 12,207,775.22 × 4,978,700.94
  4. Step 4: Simplify right side
    8,845,929.30x = 60,778,862,030,683.68
  5. Step 5: Solve for x
    x = 60,778,862,030,683.68/8,845,929.30
  6. Step 6: Final answer
    x = 6,870,828.37

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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.