Home / 18,875,636.90-28,292,460.15-10,362,083.30

Finding the Fourth Proportional to 18,875,636.90, 28,292,460.15 and 10,362,083.30

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Solution

The fourth proportional to 18,875,636.90, 28,292,460.15 and 10,362,083.30 is: 15,531,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,636.90 : 28,292,460.15 = 10,362,083.30 : x
  2. Step 2: Convert to fraction form
    18,875,636.90/28,292,460.15 = 10,362,083.30/x
  3. Step 3: Cross multiply
    18,875,636.90x = 28,292,460.15 × 10,362,083.30
  4. Step 4: Simplify right side
    18,875,636.90x = 293,168,828,836,230.50
  5. Step 5: Solve for x
    x = 293,168,828,836,230.50/18,875,636.90
  6. Step 6: Final answer
    x = 15,531,599.30

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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.