Home / 18,875,642.90-28,292,469.15-10,362,089.30

Finding the Fourth Proportional to 18,875,642.90, 28,292,469.15 and 10,362,089.30

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Solution

The fourth proportional to 18,875,642.90, 28,292,469.15 and 10,362,089.30 is: 15,531,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875,642.90 : 28,292,469.15 = 10,362,089.30 : x
  2. Step 2: Convert to fraction form
    18,875,642.90/28,292,469.15 = 10,362,089.30/x
  3. Step 3: Cross multiply
    18,875,642.90x = 28,292,469.15 × 10,362,089.30
  4. Step 4: Simplify right side
    18,875,642.90x = 293,169,091,849,795.12
  5. Step 5: Solve for x
    x = 293,169,091,849,795.12/18,875,642.90
  6. Step 6: Final answer
    x = 15,531,608.30

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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.