Home / 12,528,098.40-18,792,147.60-8,874,933.60

Finding the Fourth Proportional to 12,528,098.40, 18,792,147.60 and 8,874,933.60

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Solution

The fourth proportional to 12,528,098.40, 18,792,147.60 and 8,874,933.60 is: 13,312,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,098.40 : 18,792,147.60 = 8,874,933.60 : x
  2. Step 2: Convert to fraction form
    12,528,098.40/18,792,147.60 = 8,874,933.60/x
  3. Step 3: Cross multiply
    12,528,098.40x = 18,792,147.60 × 8,874,933.60
  4. Step 4: Simplify right side
    12,528,098.40x = 166,779,062,151,399.38
  5. Step 5: Solve for x
    x = 166,779,062,151,399.38/12,528,098.40
  6. Step 6: Final answer
    x = 13,312,400.40

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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.