Home / 7,430,429.70-11,145,644.55-6,686,412.30

Finding the Fourth Proportional to 7,430,429.70, 11,145,644.55 and 6,686,412.30

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Solution

The fourth proportional to 7,430,429.70, 11,145,644.55 and 6,686,412.30 is: 10,029,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430,429.70 : 11,145,644.55 = 6,686,412.30 : x
  2. Step 2: Convert to fraction form
    7,430,429.70/11,145,644.55 = 6,686,412.30/x
  3. Step 3: Cross multiply
    7,430,429.70x = 11,145,644.55 × 6,686,412.30
  4. Step 4: Simplify right side
    7,430,429.70x = 74,524,374,810,547.97
  5. Step 5: Solve for x
    x = 74,524,374,810,547.97/7,430,429.70
  6. Step 6: Final answer
    x = 10,029,618.45

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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.