Home / 25,922,718.40-38,884,077.60-7,971,822.40

Finding the Fourth Proportional to 25,922,718.40, 38,884,077.60 and 7,971,822.40

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Solution

The fourth proportional to 25,922,718.40, 38,884,077.60 and 7,971,822.40 is: 11,957,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,922,718.40 : 38,884,077.60 = 7,971,822.40 : x
  2. Step 2: Convert to fraction form
    25,922,718.40/38,884,077.60 = 7,971,822.40/x
  3. Step 3: Cross multiply
    25,922,718.40x = 38,884,077.60 × 7,971,822.40
  4. Step 4: Simplify right side
    25,922,718.40x = 309,976,960,815,018.25
  5. Step 5: Solve for x
    x = 309,976,960,815,018.25/25,922,718.40
  6. Step 6: Final answer
    x = 11,957,733.60

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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.