Home / 19,009,853.70-28,514,780.55-17,890,109.70

Finding the Fourth Proportional to 19,009,853.70, 28,514,780.55 and 17,890,109.70

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Solution

The fourth proportional to 19,009,853.70, 28,514,780.55 and 17,890,109.70 is: 26,835,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,853.70 : 28,514,780.55 = 17,890,109.70 : x
  2. Step 2: Convert to fraction form
    19,009,853.70/28,514,780.55 = 17,890,109.70/x
  3. Step 3: Cross multiply
    19,009,853.70x = 28,514,780.55 × 17,890,109.70
  4. Step 4: Simplify right side
    19,009,853.70x = 510,132,552,110,926.31
  5. Step 5: Solve for x
    x = 510,132,552,110,926.31/19,009,853.70
  6. Step 6: Final answer
    x = 26,835,164.55

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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.