Home / 30,579,970.82-42,200,347.52-16,828,934.94

Finding the Fourth Proportional to 30,579,970.82, 42,200,347.52 and 16,828,934.94

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Solution

The fourth proportional to 30,579,970.82, 42,200,347.52 and 16,828,934.94 is: 23,223,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,970.82 : 42,200,347.52 = 16,828,934.94 : x
  2. Step 2: Convert to fraction form
    30,579,970.82/42,200,347.52 = 16,828,934.94/x
  3. Step 3: Cross multiply
    30,579,970.82x = 42,200,347.52 × 16,828,934.94
  4. Step 4: Simplify right side
    30,579,970.82x = 710,186,902,775,325.75
  5. Step 5: Solve for x
    x = 710,186,902,775,325.75/30,579,970.82
  6. Step 6: Final answer
    x = 23,223,923.50

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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.