Home / 12,528,074.10-18,792,111.15-10,985,315.70

Finding the Fourth Proportional to 12,528,074.10, 18,792,111.15 and 10,985,315.70

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Solution

The fourth proportional to 12,528,074.10, 18,792,111.15 and 10,985,315.70 is: 16,477,973.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,074.10 : 18,792,111.15 = 10,985,315.70 : x
  2. Step 2: Convert to fraction form
    12,528,074.10/18,792,111.15 = 10,985,315.70/x
  3. Step 3: Cross multiply
    12,528,074.10x = 18,792,111.15 × 10,985,315.70
  4. Step 4: Simplify right side
    12,528,074.10x = 206,437,273,652,240.03
  5. Step 5: Solve for x
    x = 206,437,273,652,240.03/12,528,074.10
  6. Step 6: Final answer
    x = 16,477,973.55

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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.