Home / 52,802,675.40-79,218,009.90-18,720,467.40

Finding the Fourth Proportional to 52,802,675.40, 79,218,009.90 and 18,720,467.40

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Solution

The fourth proportional to 52,802,675.40, 79,218,009.90 and 18,720,467.40 is: 28,085,663.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,802,675.40 : 79,218,009.90 = 18,720,467.40 : x
  2. Step 2: Convert to fraction form
    52,802,675.40/79,218,009.90 = 18,720,467.40/x
  3. Step 3: Cross multiply
    52,802,675.40x = 79,218,009.90 × 18,720,467.40
  4. Step 4: Simplify right side
    52,802,675.40x = 1,482,998,171,825,827.25
  5. Step 5: Solve for x
    x = 1,482,998,171,825,827.25/52,802,675.40
  6. Step 6: Final answer
    x = 28,085,663.47

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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.