Home / 28,678,048.02-42,975,344.04-17,724,852.18

Finding the Fourth Proportional to 28,678,048.02, 42,975,344.04 and 17,724,852.18

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Solution

The fourth proportional to 28,678,048.02, 42,975,344.04 and 17,724,852.18 is: 26,561,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,048.02 : 42,975,344.04 = 17,724,852.18 : x
  2. Step 2: Convert to fraction form
    28,678,048.02/42,975,344.04 = 17,724,852.18/x
  3. Step 3: Cross multiply
    28,678,048.02x = 42,975,344.04 × 17,724,852.18
  4. Step 4: Simplify right side
    28,678,048.02x = 761,731,620,493,644
  5. Step 5: Solve for x
    x = 761,731,620,493,644/28,678,048.02
  6. Step 6: Final answer
    x = 26,561,487.73

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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.