Home / 10,678,938.84-16,018,238.58-2,591,981.40

Finding the Fourth Proportional to 10,678,938.84, 16,018,238.58 and 2,591,981.40

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Solution

The fourth proportional to 10,678,938.84, 16,018,238.58 and 2,591,981.40 is: 3,887,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678,938.84 : 16,018,238.58 = 2,591,981.40 : x
  2. Step 2: Convert to fraction form
    10,678,938.84/16,018,238.58 = 2,591,981.40/x
  3. Step 3: Cross multiply
    10,678,938.84x = 16,018,238.58 × 2,591,981.40
  4. Step 4: Simplify right side
    10,678,938.84x = 41,518,976,460,122.41
  5. Step 5: Solve for x
    x = 41,518,976,460,122.41/10,678,938.84
  6. Step 6: Final answer
    x = 3,887,930.92

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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.