Home / 21,367,295.37-29,487,416.58-13,111,918.74

Finding the Fourth Proportional to 21,367,295.37, 29,487,416.58 and 13,111,918.74

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Solution

The fourth proportional to 21,367,295.37, 29,487,416.58 and 13,111,918.74 is: 18,094,784.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367,295.37 : 29,487,416.58 = 13,111,918.74 : x
  2. Step 2: Convert to fraction form
    21,367,295.37/29,487,416.58 = 13,111,918.74/x
  3. Step 3: Cross multiply
    21,367,295.37x = 29,487,416.58 × 13,111,918.74
  4. Step 4: Simplify right side
    21,367,295.37x = 386,636,610,049,488.69
  5. Step 5: Solve for x
    x = 386,636,610,049,488.69/21,367,295.37
  6. Step 6: Final answer
    x = 18,094,784.73

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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.