Home / 9,879,880.40-14,819,820.60-7,889,224.40

Finding the Fourth Proportional to 9,879,880.40, 14,819,820.60 and 7,889,224.40

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Solution

The fourth proportional to 9,879,880.40, 14,819,820.60 and 7,889,224.40 is: 11,833,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,879,880.40 : 14,819,820.60 = 7,889,224.40 : x
  2. Step 2: Convert to fraction form
    9,879,880.40/14,819,820.60 = 7,889,224.40/x
  3. Step 3: Cross multiply
    9,879,880.40x = 14,819,820.60 × 7,889,224.40
  4. Step 4: Simplify right side
    9,879,880.40x = 116,916,890,281,142.64
  5. Step 5: Solve for x
    x = 116,916,890,281,142.64/9,879,880.40
  6. Step 6: Final answer
    x = 11,833,836.60

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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.