Home / 25,566,858.40-38,350,287.60-8,528,087.20

Finding the Fourth Proportional to 25,566,858.40, 38,350,287.60 and 8,528,087.20

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Solution

The fourth proportional to 25,566,858.40, 38,350,287.60 and 8,528,087.20 is: 12,792,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,566,858.40 : 38,350,287.60 = 8,528,087.20 : x
  2. Step 2: Convert to fraction form
    25,566,858.40/38,350,287.60 = 8,528,087.20/x
  3. Step 3: Cross multiply
    25,566,858.40x = 38,350,287.60 × 8,528,087.20
  4. Step 4: Simplify right side
    25,566,858.40x = 327,054,596,797,878.69
  5. Step 5: Solve for x
    x = 327,054,596,797,878.69/25,566,858.40
  6. Step 6: Final answer
    x = 12,792,130.80

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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.