Home / 30,579,714.99-42,200,013.63-16,828,679.11

Finding the Fourth Proportional to 30,579,714.99, 42,200,013.63 and 16,828,679.11

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Solution

The fourth proportional to 30,579,714.99, 42,200,013.63 and 16,828,679.11 is: 23,223,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,714.99 : 42,200,013.63 = 16,828,679.11 : x
  2. Step 2: Convert to fraction form
    30,579,714.99/42,200,013.63 = 16,828,679.11/x
  3. Step 3: Cross multiply
    30,579,714.99x = 42,200,013.63 × 16,828,679.11
  4. Step 4: Simplify right side
    30,579,714.99x = 710,170,487,816,896.25
  5. Step 5: Solve for x
    x = 710,170,487,816,896.25/30,579,714.99
  6. Step 6: Final answer
    x = 23,223,580.99

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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.