Home / 19,006,257.60-28,509,386.40-18,722,822.40

Finding the Fourth Proportional to 19,006,257.60, 28,509,386.40 and 18,722,822.40

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Solution

The fourth proportional to 19,006,257.60, 28,509,386.40 and 18,722,822.40 is: 28,084,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,257.60 : 28,509,386.40 = 18,722,822.40 : x
  2. Step 2: Convert to fraction form
    19,006,257.60/28,509,386.40 = 18,722,822.40/x
  3. Step 3: Cross multiply
    19,006,257.60x = 28,509,386.40 × 18,722,822.40
  4. Step 4: Simplify right side
    19,006,257.60x = 533,776,178,300,175.31
  5. Step 5: Solve for x
    x = 533,776,178,300,175.31/19,006,257.60
  6. Step 6: Final answer
    x = 28,084,233.60

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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.