Home / 13,290,056.80-19,935,085.20-13,164,085.60

Finding the Fourth Proportional to 13,290,056.80, 19,935,085.20 and 13,164,085.60

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Solution

The fourth proportional to 13,290,056.80, 19,935,085.20 and 13,164,085.60 is: 19,746,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,056.80 : 19,935,085.20 = 13,164,085.60 : x
  2. Step 2: Convert to fraction form
    13,290,056.80/19,935,085.20 = 13,164,085.60/x
  3. Step 3: Cross multiply
    13,290,056.80x = 19,935,085.20 × 13,164,085.60
  4. Step 4: Simplify right side
    13,290,056.80x = 262,427,168,016,093.09
  5. Step 5: Solve for x
    x = 262,427,168,016,093.09/13,290,056.80
  6. Step 6: Final answer
    x = 19,746,128.40

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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.