Home / 30,703,072.48-46,068,990.28-15,132,412.80

Finding the Fourth Proportional to 30,703,072.48, 46,068,990.28 and 15,132,412.80

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Solution

The fourth proportional to 30,703,072.48, 46,068,990.28 and 15,132,412.80 is: 22,705,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,703,072.48 : 46,068,990.28 = 15,132,412.80 : x
  2. Step 2: Convert to fraction form
    30,703,072.48/46,068,990.28 = 15,132,412.80/x
  3. Step 3: Cross multiply
    30,703,072.48x = 46,068,990.28 × 15,132,412.80
  4. Step 4: Simplify right side
    30,703,072.48x = 697,134,978,196,147.62
  5. Step 5: Solve for x
    x = 697,134,978,196,147.62/30,703,072.48
  6. Step 6: Final answer
    x = 22,705,707.34

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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.