Home / 28,553,101.21-42,777,688.29-25,492,001.05

Finding the Fourth Proportional to 28,553,101.21, 42,777,688.29 and 25,492,001.05

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Solution

The fourth proportional to 28,553,101.21, 42,777,688.29 and 25,492,001.05 is: 38,191,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553,101.21 : 42,777,688.29 = 25,492,001.05 : x
  2. Step 2: Convert to fraction form
    28,553,101.21/42,777,688.29 = 25,492,001.05/x
  3. Step 3: Cross multiply
    28,553,101.21x = 42,777,688.29 × 25,492,001.05
  4. Step 4: Simplify right side
    28,553,101.21x = 1,090,488,874,805,252.75
  5. Step 5: Solve for x
    x = 1,090,488,874,805,252.75/28,553,101.21
  6. Step 6: Final answer
    x = 38,191,608.92

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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.