Home / 12,528,078.55-18,792,117.83-8,701,703.35

Finding the Fourth Proportional to 12,528,078.55, 18,792,117.83 and 8,701,703.35

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Solution

The fourth proportional to 12,528,078.55, 18,792,117.83 and 8,701,703.35 is: 13,052,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,078.55 : 18,792,117.83 = 8,701,703.35 : x
  2. Step 2: Convert to fraction form
    12,528,078.55/18,792,117.83 = 8,701,703.35/x
  3. Step 3: Cross multiply
    12,528,078.55x = 18,792,117.83 × 8,701,703.35
  4. Step 4: Simplify right side
    12,528,078.55x = 163,523,434,674,905.72
  5. Step 5: Solve for x
    x = 163,523,434,674,905.72/12,528,078.55
  6. Step 6: Final answer
    x = 13,052,555.03

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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.