Home / 19,009,838.70-28,514,758.05-17,890,094.70

Finding the Fourth Proportional to 19,009,838.70, 28,514,758.05 and 17,890,094.70

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Solution

The fourth proportional to 19,009,838.70, 28,514,758.05 and 17,890,094.70 is: 26,835,142.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009,838.70 : 28,514,758.05 = 17,890,094.70 : x
  2. Step 2: Convert to fraction form
    19,009,838.70/28,514,758.05 = 17,890,094.70/x
  3. Step 3: Cross multiply
    19,009,838.70x = 28,514,758.05 × 17,890,094.70
  4. Step 4: Simplify right side
    19,009,838.70x = 510,131,721,862,087.31
  5. Step 5: Solve for x
    x = 510,131,721,862,087.31/19,009,838.70
  6. Step 6: Final answer
    x = 26,835,142.05

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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.