Home / 18,725,421.60-28,095,130.80-7,373,783.52

Finding the Fourth Proportional to 18,725,421.60, 28,095,130.80 and 7,373,783.52

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Solution

The fourth proportional to 18,725,421.60, 28,095,130.80 and 7,373,783.52 is: 11,063,431.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,421.60 : 28,095,130.80 = 7,373,783.52 : x
  2. Step 2: Convert to fraction form
    18,725,421.60/28,095,130.80 = 7,373,783.52/x
  3. Step 3: Cross multiply
    18,725,421.60x = 28,095,130.80 × 7,373,783.52
  4. Step 4: Simplify right side
    18,725,421.60x = 207,167,412,485,284.41
  5. Step 5: Solve for x
    x = 207,167,412,485,284.41/18,725,421.60
  6. Step 6: Final answer
    x = 11,063,431.14

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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.