Home / 12,528,036.55-18,792,054.83-10,638,468.55

Finding the Fourth Proportional to 12,528,036.55, 18,792,054.83 and 10,638,468.55

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Solution

The fourth proportional to 12,528,036.55, 18,792,054.83 and 10,638,468.55 is: 15,957,702.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528,036.55 : 18,792,054.83 = 10,638,468.55 : x
  2. Step 2: Convert to fraction form
    12,528,036.55/18,792,054.83 = 10,638,468.55/x
  3. Step 3: Cross multiply
    12,528,036.55x = 18,792,054.83 × 10,638,468.55
  4. Step 4: Simplify right side
    12,528,036.55x = 199,918,684,298,830.59
  5. Step 5: Solve for x
    x = 199,918,684,298,830.59/12,528,036.55
  6. Step 6: Final answer
    x = 15,957,702.83

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Similar ratio
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1.5x scale

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.