Home / 12,528,078.30-18,792,117.45-8,701,703.10

Finding the Fourth Proportional to 12,528,078.30, 18,792,117.45 and 8,701,703.10

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Solution

The fourth proportional to 12,528,078.30, 18,792,117.45 and 8,701,703.10 is: 13,052,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,078.30 : 18,792,117.45 = 8,701,703.10 : x
  2. Step 2: Convert to fraction form
    12,528,078.30/18,792,117.45 = 8,701,703.10/x
  3. Step 3: Cross multiply
    12,528,078.30x = 18,792,117.45 × 8,701,703.10
  4. Step 4: Simplify right side
    12,528,078.30x = 163,523,426,670,229.09
  5. Step 5: Solve for x
    x = 163,523,426,670,229.09/12,528,078.30
  6. Step 6: Final answer
    x = 13,052,554.65

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Double scale
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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.