Home / 5,913,741.40-8,870,612.10-5,316,544.60

Finding the Fourth Proportional to 5,913,741.40, 8,870,612.10 and 5,316,544.60

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Solution

The fourth proportional to 5,913,741.40, 8,870,612.10 and 5,316,544.60 is: 7,974,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913,741.40 : 8,870,612.10 = 5,316,544.60 : x
  2. Step 2: Convert to fraction form
    5,913,741.40/8,870,612.10 = 5,316,544.60/x
  3. Step 3: Cross multiply
    5,913,741.40x = 8,870,612.10 × 5,316,544.60
  4. Step 4: Simplify right side
    5,913,741.40x = 47,161,004,858,949.66
  5. Step 5: Solve for x
    x = 47,161,004,858,949.66/5,913,741.40
  6. Step 6: Final answer
    x = 7,974,816.90

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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.