Home / 9,052,812.35-12,492,631.89-4,978,431.35

Finding the Fourth Proportional to 9,052,812.35, 12,492,631.89 and 4,978,431.35

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Solution

The fourth proportional to 9,052,812.35, 12,492,631.89 and 4,978,431.35 is: 6,870,098.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052,812.35 : 12,492,631.89 = 4,978,431.35 : x
  2. Step 2: Convert to fraction form
    9,052,812.35/12,492,631.89 = 4,978,431.35/x
  3. Step 3: Cross multiply
    9,052,812.35x = 12,492,631.89 × 4,978,431.35
  4. Step 4: Simplify right side
    9,052,812.35x = 62,193,710,182,722.59
  5. Step 5: Solve for x
    x = 62,193,710,182,722.59/9,052,812.35
  6. Step 6: Final answer
    x = 6,870,098.24

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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.