Home / 8,421,134.61-11,621,235.18-4,649,318.18

Finding the Fourth Proportional to 8,421,134.61, 11,621,235.18 and 4,649,318.18

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Solution

The fourth proportional to 8,421,134.61, 11,621,235.18 and 4,649,318.18 is: 6,416,097.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,421,134.61 : 11,621,235.18 = 4,649,318.18 : x
  2. Step 2: Convert to fraction form
    8,421,134.61/11,621,235.18 = 4,649,318.18/x
  3. Step 3: Cross multiply
    8,421,134.61x = 11,621,235.18 × 4,649,318.18
  4. Step 4: Simplify right side
    8,421,134.61x = 54,030,819,938,323.39
  5. Step 5: Solve for x
    x = 54,030,819,938,323.39/8,421,134.61
  6. Step 6: Final answer
    x = 6,416,097.41

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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.