Home / 7,146,347.51-9,862,021.96-3,883,162.16

Finding the Fourth Proportional to 7,146,347.51, 9,862,021.96 and 3,883,162.16

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Solution

The fourth proportional to 7,146,347.51, 9,862,021.96 and 3,883,162.16 is: 5,358,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,347.51 : 9,862,021.96 = 3,883,162.16 : x
  2. Step 2: Convert to fraction form
    7,146,347.51/9,862,021.96 = 3,883,162.16/x
  3. Step 3: Cross multiply
    7,146,347.51x = 9,862,021.96 × 3,883,162.16
  4. Step 4: Simplify right side
    7,146,347.51x = 38,295,830,496,161.04
  5. Step 5: Solve for x
    x = 38,295,830,496,161.04/7,146,347.51
  6. Step 6: Final answer
    x = 5,358,797.69

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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.