Home / 19,208,774.70-28,814,678.37-6,429,326.94

Finding the Fourth Proportional to 19,208,774.70, 28,814,678.37 and 6,429,326.94

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Solution

The fourth proportional to 19,208,774.70, 28,814,678.37 and 6,429,326.94 is: 9,644,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208,774.70 : 28,814,678.37 = 6,429,326.94 : x
  2. Step 2: Convert to fraction form
    19,208,774.70/28,814,678.37 = 6,429,326.94/x
  3. Step 3: Cross multiply
    19,208,774.70x = 28,814,678.37 × 6,429,326.94
  4. Step 4: Simplify right side
    19,208,774.70x = 185,258,987,911,676.31
  5. Step 5: Solve for x
    x = 185,258,987,911,676.31/19,208,774.70
  6. Step 6: Final answer
    x = 9,644,497.93

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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.