Home / 25,920,426.80-38,880,640.20-16,896,119.60

Finding the Fourth Proportional to 25,920,426.80, 38,880,640.20 and 16,896,119.60

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Solution

The fourth proportional to 25,920,426.80, 38,880,640.20 and 16,896,119.60 is: 25,344,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,426.80 : 38,880,640.20 = 16,896,119.60 : x
  2. Step 2: Convert to fraction form
    25,920,426.80/38,880,640.20 = 16,896,119.60/x
  3. Step 3: Cross multiply
    25,920,426.80x = 38,880,640.20 × 16,896,119.60
  4. Step 4: Simplify right side
    25,920,426.80x = 656,931,946,943,768
  5. Step 5: Solve for x
    x = 656,931,946,943,768/25,920,426.80
  6. Step 6: Final answer
    x = 25,344,179.40

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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.