Home / 14,476,612.89-19,977,653.19-7,861,142.25

Finding the Fourth Proportional to 14,476,612.89, 19,977,653.19 and 7,861,142.25

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Solution

The fourth proportional to 14,476,612.89, 19,977,653.19 and 7,861,142.25 is: 10,848,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,476,612.89 : 19,977,653.19 = 7,861,142.25 : x
  2. Step 2: Convert to fraction form
    14,476,612.89/19,977,653.19 = 7,861,142.25/x
  3. Step 3: Cross multiply
    14,476,612.89x = 19,977,653.19 × 7,861,142.25
  4. Step 4: Simplify right side
    14,476,612.89x = 157,047,173,547,756.28
  5. Step 5: Solve for x
    x = 157,047,173,547,756.28/14,476,612.89
  6. Step 6: Final answer
    x = 10,848,336.88

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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.