Home / 30,626,607.80-42,266,601.42-16,875,568.28

Finding the Fourth Proportional to 30,626,607.80, 42,266,601.42 and 16,875,568.28

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Solution

The fourth proportional to 30,626,607.80, 42,266,601.42 and 16,875,568.28 is: 23,289,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626,607.80 : 42,266,601.42 = 16,875,568.28 : x
  2. Step 2: Convert to fraction form
    30,626,607.80/42,266,601.42 = 16,875,568.28/x
  3. Step 3: Cross multiply
    30,626,607.80x = 42,266,601.42 × 16,875,568.28
  4. Step 4: Simplify right side
    30,626,607.80x = 713,272,918,226,755
  5. Step 5: Solve for x
    x = 713,272,918,226,755/30,626,607.80
  6. Step 6: Final answer
    x = 23,289,321.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.