Home / 7,711,303.80-10,628,316.54-5,128,369.32

Finding the Fourth Proportional to 7,711,303.80, 10,628,316.54 and 5,128,369.32

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Solution

The fourth proportional to 7,711,303.80, 10,628,316.54 and 5,128,369.32 is: 7,068,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711,303.80 : 10,628,316.54 = 5,128,369.32 : x
  2. Step 2: Convert to fraction form
    7,711,303.80/10,628,316.54 = 5,128,369.32/x
  3. Step 3: Cross multiply
    7,711,303.80x = 10,628,316.54 × 5,128,369.32
  4. Step 4: Simplify right side
    7,711,303.80x = 54,505,932,466,984.55
  5. Step 5: Solve for x
    x = 54,505,932,466,984.55/7,711,303.80
  6. Step 6: Final answer
    x = 7,068,316.06

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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.