Home / 19,375,814.78-29,075,165.75-7,078,685.16

Finding the Fourth Proportional to 19,375,814.78, 29,075,165.75 and 7,078,685.16

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Solution

The fourth proportional to 19,375,814.78, 29,075,165.75 and 7,078,685.16 is: 10,622,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,375,814.78 : 29,075,165.75 = 7,078,685.16 : x
  2. Step 2: Convert to fraction form
    19,375,814.78/29,075,165.75 = 7,078,685.16/x
  3. Step 3: Cross multiply
    19,375,814.78x = 29,075,165.75 × 7,078,685.16
  4. Step 4: Simplify right side
    19,375,814.78x = 205,813,944,319,065.28
  5. Step 5: Solve for x
    x = 205,813,944,319,065.28/19,375,814.78
  6. Step 6: Final answer
    x = 10,622,208.49

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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.