Home / 8,679,917.34-13,020,416.64-2,290,176.36

Finding the Fourth Proportional to 8,679,917.34, 13,020,416.64 and 2,290,176.36

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Solution

The fourth proportional to 8,679,917.34, 13,020,416.64 and 2,290,176.36 is: 3,435,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679,917.34 : 13,020,416.64 = 2,290,176.36 : x
  2. Step 2: Convert to fraction form
    8,679,917.34/13,020,416.64 = 2,290,176.36/x
  3. Step 3: Cross multiply
    8,679,917.34x = 13,020,416.64 × 2,290,176.36
  4. Step 4: Simplify right side
    8,679,917.34x = 29,819,050,386,278.63
  5. Step 5: Solve for x
    x = 29,819,050,386,278.63/8,679,917.34
  6. Step 6: Final answer
    x = 3,435,407.18

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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.