Home / 19,856,427-29,767,582.07-6,900,894.47

Finding the Fourth Proportional to 19,856,427, 29,767,582.07 and 6,900,894.47

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Solution

The fourth proportional to 19,856,427, 29,767,582.07 and 6,900,894.47 is: 10,345,413.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856,427 : 29,767,582.07 = 6,900,894.47 : x
  2. Step 2: Convert to fraction form
    19,856,427/29,767,582.07 = 6,900,894.47/x
  3. Step 3: Cross multiply
    19,856,427x = 29,767,582.07 × 6,900,894.47
  4. Step 4: Simplify right side
    19,856,427x = 205,422,942,492,134.16
  5. Step 5: Solve for x
    x = 205,422,942,492,134.16/19,856,427
  6. Step 6: Final answer
    x = 10,345,413.23

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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.