Home / 28,447,405.48-42,653,828.88-11,154,889.68

Finding the Fourth Proportional to 28,447,405.48, 42,653,828.88 and 11,154,889.68

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Solution

The fourth proportional to 28,447,405.48, 42,653,828.88 and 11,154,889.68 is: 16,725,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,405.48 : 42,653,828.88 = 11,154,889.68 : x
  2. Step 2: Convert to fraction form
    28,447,405.48/42,653,828.88 = 11,154,889.68/x
  3. Step 3: Cross multiply
    28,447,405.48x = 42,653,828.88 × 11,154,889.68
  4. Step 4: Simplify right side
    28,447,405.48x = 475,798,755,316,954.38
  5. Step 5: Solve for x
    x = 475,798,755,316,954.38/28,447,405.48
  6. Step 6: Final answer
    x = 16,725,558.88

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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.