Home / 18,696,088.36-28,047,768.40-7,180,713.23

Finding the Fourth Proportional to 18,696,088.36, 28,047,768.40 and 7,180,713.23

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Solution

The fourth proportional to 18,696,088.36, 28,047,768.40 and 7,180,713.23 is: 10,772,466.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696,088.36 : 28,047,768.40 = 7,180,713.23 : x
  2. Step 2: Convert to fraction form
    18,696,088.36/28,047,768.40 = 7,180,713.23/x
  3. Step 3: Cross multiply
    18,696,088.36x = 28,047,768.40 × 7,180,713.23
  4. Step 4: Simplify right side
    18,696,088.36x = 201,402,981,621,855.94
  5. Step 5: Solve for x
    x = 201,402,981,621,855.94/18,696,088.36
  6. Step 6: Final answer
    x = 10,772,466.29

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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.