Home / 48,426,013.80-72,639,020.70-18,129,940.20

Finding the Fourth Proportional to 48,426,013.80, 72,639,020.70 and 18,129,940.20

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Solution

The fourth proportional to 48,426,013.80, 72,639,020.70 and 18,129,940.20 is: 27,194,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426,013.80 : 72,639,020.70 = 18,129,940.20 : x
  2. Step 2: Convert to fraction form
    48,426,013.80/72,639,020.70 = 18,129,940.20/x
  3. Step 3: Cross multiply
    48,426,013.80x = 72,639,020.70 × 18,129,940.20
  4. Step 4: Simplify right side
    48,426,013.80x = 1,316,941,101,477,562.25
  5. Step 5: Solve for x
    x = 1,316,941,101,477,562.25/48,426,013.80
  6. Step 6: Final answer
    x = 27,194,910.30

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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.