Home / 28,073,223.20-42,109,834.80-6,798,087.20

Finding the Fourth Proportional to 28,073,223.20, 42,109,834.80 and 6,798,087.20

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Solution

The fourth proportional to 28,073,223.20, 42,109,834.80 and 6,798,087.20 is: 10,197,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,073,223.20 : 42,109,834.80 = 6,798,087.20 : x
  2. Step 2: Convert to fraction form
    28,073,223.20/42,109,834.80 = 6,798,087.20/x
  3. Step 3: Cross multiply
    28,073,223.20x = 42,109,834.80 × 6,798,087.20
  4. Step 4: Simplify right side
    28,073,223.20x = 286,266,328,947,994.56
  5. Step 5: Solve for x
    x = 286,266,328,947,994.56/28,073,223.20
  6. Step 6: Final answer
    x = 10,197,130.80

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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.