Home / 8,430,591.12-11,634,497.73-5,166,775.16

Finding the Fourth Proportional to 8,430,591.12, 11,634,497.73 and 5,166,775.16

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Solution

The fourth proportional to 8,430,591.12, 11,634,497.73 and 5,166,775.16 is: 7,130,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,591.12 : 11,634,497.73 = 5,166,775.16 : x
  2. Step 2: Convert to fraction form
    8,430,591.12/11,634,497.73 = 5,166,775.16/x
  3. Step 3: Cross multiply
    8,430,591.12x = 11,634,497.73 × 5,166,775.16
  4. Step 4: Simplify right side
    8,430,591.12x = 60,112,833,855,897.27
  5. Step 5: Solve for x
    x = 60,112,833,855,897.27/8,430,591.12
  6. Step 6: Final answer
    x = 7,130,322.54

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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.