Home / 9,078,549.54-12,528,021.42-4,948,489.80

Finding the Fourth Proportional to 9,078,549.54, 12,528,021.42 and 4,948,489.80

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Solution

The fourth proportional to 9,078,549.54, 12,528,021.42 and 4,948,489.80 is: 6,828,710.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078,549.54 : 12,528,021.42 = 4,948,489.80 : x
  2. Step 2: Convert to fraction form
    9,078,549.54/12,528,021.42 = 4,948,489.80/x
  3. Step 3: Cross multiply
    9,078,549.54x = 12,528,021.42 × 4,948,489.80
  4. Step 4: Simplify right side
    9,078,549.54x = 61,994,786,211,051.52
  5. Step 5: Solve for x
    x = 61,994,786,211,051.52/9,078,549.54
  6. Step 6: Final answer
    x = 6,828,710.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.