Home / 7,884,090.40-11,830,801.20-5,196,186.40

Finding the Fourth Proportional to 7,884,090.40, 11,830,801.20 and 5,196,186.40

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Solution

The fourth proportional to 7,884,090.40, 11,830,801.20 and 5,196,186.40 is: 7,797,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,090.40 : 11,830,801.20 = 5,196,186.40 : x
  2. Step 2: Convert to fraction form
    7,884,090.40/11,830,801.20 = 5,196,186.40/x
  3. Step 3: Cross multiply
    7,884,090.40x = 11,830,801.20 × 5,196,186.40
  4. Step 4: Simplify right side
    7,884,090.40x = 61,475,048,296,543.68
  5. Step 5: Solve for x
    x = 61,475,048,296,543.68/7,884,090.40
  6. Step 6: Final answer
    x = 7,797,354.57

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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.