Home / 5,390,368.90-8,085,553.35-5,284,080.70

Finding the Fourth Proportional to 5,390,368.90, 8,085,553.35 and 5,284,080.70

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Solution

The fourth proportional to 5,390,368.90, 8,085,553.35 and 5,284,080.70 is: 7,926,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,368.90 : 8,085,553.35 = 5,284,080.70 : x
  2. Step 2: Convert to fraction form
    5,390,368.90/8,085,553.35 = 5,284,080.70/x
  3. Step 3: Cross multiply
    5,390,368.90x = 8,085,553.35 × 5,284,080.70
  4. Step 4: Simplify right side
    5,390,368.90x = 42,724,716,405,555.34
  5. Step 5: Solve for x
    x = 42,724,716,405,555.34/5,390,368.90
  6. Step 6: Final answer
    x = 7,926,121.05

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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.