Home / 9,965,903.10-14,939,523.45-7,805,730.30

Finding the Fourth Proportional to 9,965,903.10, 14,939,523.45 and 7,805,730.30

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Solution

The fourth proportional to 9,965,903.10, 14,939,523.45 and 7,805,730.30 is: 11,701,286.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,903.10 : 14,939,523.45 = 7,805,730.30 : x
  2. Step 2: Convert to fraction form
    9,965,903.10/14,939,523.45 = 7,805,730.30/x
  3. Step 3: Cross multiply
    9,965,903.10x = 14,939,523.45 × 7,805,730.30
  4. Step 4: Simplify right side
    9,965,903.10x = 116,613,890,861,225.53
  5. Step 5: Solve for x
    x = 116,613,890,861,225.53/9,965,903.10
  6. Step 6: Final answer
    x = 11,701,286.85

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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.