Home / 9,958,422.07-13,742,300.16-5,715,690.28

Finding the Fourth Proportional to 9,958,422.07, 13,742,300.16 and 5,715,690.28

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Solution

The fourth proportional to 9,958,422.07, 13,742,300.16 and 5,715,690.28 is: 7,887,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,958,422.07 : 13,742,300.16 = 5,715,690.28 : x
  2. Step 2: Convert to fraction form
    9,958,422.07/13,742,300.16 = 5,715,690.28/x
  3. Step 3: Cross multiply
    9,958,422.07x = 13,742,300.16 × 5,715,690.28
  4. Step 4: Simplify right side
    9,958,422.07x = 78,546,731,449,354.45
  5. Step 5: Solve for x
    x = 78,546,731,449,354.45/9,958,422.07
  6. Step 6: Final answer
    x = 7,887,467.60

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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.