Home / 19,415,913.89-29,116,301.18-7,278,760.89

Finding the Fourth Proportional to 19,415,913.89, 29,116,301.18 and 7,278,760.89

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Solution

The fourth proportional to 19,415,913.89, 29,116,301.18 and 7,278,760.89 is: 10,915,303.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,415,913.89 : 29,116,301.18 = 7,278,760.89 : x
  2. Step 2: Convert to fraction form
    19,415,913.89/29,116,301.18 = 7,278,760.89/x
  3. Step 3: Cross multiply
    19,415,913.89x = 29,116,301.18 × 7,278,760.89
  4. Step 4: Simplify right side
    19,415,913.89x = 211,930,594,254,051.03
  5. Step 5: Solve for x
    x = 211,930,594,254,051.03/19,415,913.89
  6. Step 6: Final answer
    x = 10,915,303.58

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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.