Home / 18,043,055.20-27,064,582.80-12,303,492.40

Finding the Fourth Proportional to 18,043,055.20, 27,064,582.80 and 12,303,492.40

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Solution

The fourth proportional to 18,043,055.20, 27,064,582.80 and 12,303,492.40 is: 18,455,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043,055.20 : 27,064,582.80 = 12,303,492.40 : x
  2. Step 2: Convert to fraction form
    18,043,055.20/27,064,582.80 = 12,303,492.40/x
  3. Step 3: Cross multiply
    18,043,055.20x = 27,064,582.80 × 12,303,492.40
  4. Step 4: Simplify right side
    18,043,055.20x = 332,988,888,788,970.75
  5. Step 5: Solve for x
    x = 332,988,888,788,970.75/18,043,055.20
  6. Step 6: Final answer
    x = 18,455,238.60

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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.