Home / 15,401,314.56-21,254,065.04-8,431,875.32

Finding the Fourth Proportional to 15,401,314.56, 21,254,065.04 and 8,431,875.32

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Solution

The fourth proportional to 15,401,314.56, 21,254,065.04 and 8,431,875.32 is: 11,636,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401,314.56 : 21,254,065.04 = 8,431,875.32 : x
  2. Step 2: Convert to fraction form
    15,401,314.56/21,254,065.04 = 8,431,875.32/x
  3. Step 3: Cross multiply
    15,401,314.56x = 21,254,065.04 × 8,431,875.32
  4. Step 4: Simplify right side
    15,401,314.56x = 179,211,626,460,450.81
  5. Step 5: Solve for x
    x = 179,211,626,460,450.81/15,401,314.56
  6. Step 6: Final answer
    x = 11,636,125.33

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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.