Home / 9,990,823.59-13,787,376.93-5,407,143.75

Finding the Fourth Proportional to 9,990,823.59, 13,787,376.93 and 5,407,143.75

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Solution

The fourth proportional to 9,990,823.59, 13,787,376.93 and 5,407,143.75 is: 7,461,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,823.59 : 13,787,376.93 = 5,407,143.75 : x
  2. Step 2: Convert to fraction form
    9,990,823.59/13,787,376.93 = 5,407,143.75/x
  3. Step 3: Cross multiply
    9,990,823.59x = 13,787,376.93 × 5,407,143.75
  4. Step 4: Simplify right side
    9,990,823.59x = 74,550,328,995,943.69
  5. Step 5: Solve for x
    x = 74,550,328,995,943.69/9,990,823.59
  6. Step 6: Final answer
    x = 7,461,880.23

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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.