Home / 16,730,056.80-25,095,085.20-12,478,528.80

Finding the Fourth Proportional to 16,730,056.80, 25,095,085.20 and 12,478,528.80

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Solution

The fourth proportional to 16,730,056.80, 25,095,085.20 and 12,478,528.80 is: 18,717,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730,056.80 : 25,095,085.20 = 12,478,528.80 : x
  2. Step 2: Convert to fraction form
    16,730,056.80/25,095,085.20 = 12,478,528.80/x
  3. Step 3: Cross multiply
    16,730,056.80x = 25,095,085.20 × 12,478,528.80
  4. Step 4: Simplify right side
    16,730,056.80x = 313,149,743,406,653.75
  5. Step 5: Solve for x
    x = 313,149,743,406,653.75/16,730,056.80
  6. Step 6: Final answer
    x = 18,717,793.20

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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.