Home / 20,437,400.07-30,621,397.23-12,333,346.47

Finding the Fourth Proportional to 20,437,400.07, 30,621,397.23 and 12,333,346.47

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Solution

The fourth proportional to 20,437,400.07, 30,621,397.23 and 12,333,346.47 is: 18,479,077.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437,400.07 : 30,621,397.23 = 12,333,346.47 : x
  2. Step 2: Convert to fraction form
    20,437,400.07/30,621,397.23 = 12,333,346.47/x
  3. Step 3: Cross multiply
    20,437,400.07x = 30,621,397.23 × 12,333,346.47
  4. Step 4: Simplify right side
    20,437,400.07x = 377,664,301,433,088.31
  5. Step 5: Solve for x
    x = 377,664,301,433,088.31/20,437,400.07
  6. Step 6: Final answer
    x = 18,479,077.58

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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.