Home / 10,658,580.40-15,987,870.60-8,792,340.40

Finding the Fourth Proportional to 10,658,580.40, 15,987,870.60 and 8,792,340.40

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Solution

The fourth proportional to 10,658,580.40, 15,987,870.60 and 8,792,340.40 is: 13,188,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658,580.40 : 15,987,870.60 = 8,792,340.40 : x
  2. Step 2: Convert to fraction form
    10,658,580.40/15,987,870.60 = 8,792,340.40/x
  3. Step 3: Cross multiply
    10,658,580.40x = 15,987,870.60 × 8,792,340.40
  4. Step 4: Simplify right side
    10,658,580.40x = 140,570,800,586,352.25
  5. Step 5: Solve for x
    x = 140,570,800,586,352.25/10,658,580.40
  6. Step 6: Final answer
    x = 13,188,510.60

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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.