Home / 18,616,809.60-27,925,214.40-12,877,246.80

Finding the Fourth Proportional to 18,616,809.60, 27,925,214.40 and 12,877,246.80

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Solution

The fourth proportional to 18,616,809.60, 27,925,214.40 and 12,877,246.80 is: 19,315,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616,809.60 : 27,925,214.40 = 12,877,246.80 : x
  2. Step 2: Convert to fraction form
    18,616,809.60/27,925,214.40 = 12,877,246.80/x
  3. Step 3: Cross multiply
    18,616,809.60x = 27,925,214.40 × 12,877,246.80
  4. Step 4: Simplify right side
    18,616,809.60x = 359,599,877,771,713.94
  5. Step 5: Solve for x
    x = 359,599,877,771,713.94/18,616,809.60
  6. Step 6: Final answer
    x = 19,315,870.20

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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.