Home / 7,931,818.78-10,946,071.65-4,310,380.06

Finding the Fourth Proportional to 7,931,818.78, 10,946,071.65 and 4,310,380.06

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Solution

The fourth proportional to 7,931,818.78, 10,946,071.65 and 4,310,380.06 is: 5,948,412.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931,818.78 : 10,946,071.65 = 4,310,380.06 : x
  2. Step 2: Convert to fraction form
    7,931,818.78/10,946,071.65 = 4,310,380.06/x
  3. Step 3: Cross multiply
    7,931,818.78x = 10,946,071.65 × 4,310,380.06
  4. Step 4: Simplify right side
    7,931,818.78x = 47,181,728,964,290.05
  5. Step 5: Solve for x
    x = 47,181,728,964,290.05/7,931,818.78
  6. Step 6: Final answer
    x = 5,948,412.37

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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.