Home / 9,639,641.46-13,302,840.94-5,288,648.70

Finding the Fourth Proportional to 9,639,641.46, 13,302,840.94 and 5,288,648.70

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Solution

The fourth proportional to 9,639,641.46, 13,302,840.94 and 5,288,648.70 is: 7,298,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639,641.46 : 13,302,840.94 = 5,288,648.70 : x
  2. Step 2: Convert to fraction form
    9,639,641.46/13,302,840.94 = 5,288,648.70/x
  3. Step 3: Cross multiply
    9,639,641.46x = 13,302,840.94 × 5,288,648.70
  4. Step 4: Simplify right side
    9,639,641.46x = 70,354,052,443,637.78
  5. Step 5: Solve for x
    x = 70,354,052,443,637.78/9,639,641.46
  6. Step 6: Final answer
    x = 7,298,409.67

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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.