Home / 15,621,755-23,436,373.71-6,518,788.81

Finding the Fourth Proportional to 15,621,755, 23,436,373.71 and 6,518,788.81

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Solution

The fourth proportional to 15,621,755, 23,436,373.71 and 6,518,788.81 is: 9,779,744.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621,755 : 23,436,373.71 = 6,518,788.81 : x
  2. Step 2: Convert to fraction form
    15,621,755/23,436,373.71 = 6,518,788.81/x
  3. Step 3: Cross multiply
    15,621,755x = 23,436,373.71 × 6,518,788.81
  4. Step 4: Simplify right side
    15,621,755x = 152,776,770,570,544.31
  5. Step 5: Solve for x
    x = 152,776,770,570,544.31/15,621,755
  6. Step 6: Final answer
    x = 9,779,744.37

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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.