Home / 28,553,155.02-42,777,769.40-25,492,054.86

Finding the Fourth Proportional to 28,553,155.02, 42,777,769.40 and 25,492,054.86

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Solution

The fourth proportional to 28,553,155.02, 42,777,769.40 and 25,492,054.86 is: 38,191,689.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553,155.02 : 42,777,769.40 = 25,492,054.86 : x
  2. Step 2: Convert to fraction form
    28,553,155.02/42,777,769.40 = 25,492,054.86/x
  3. Step 3: Cross multiply
    28,553,155.02x = 42,777,769.40 × 25,492,054.86
  4. Step 4: Simplify right side
    28,553,155.02x = 1,090,493,244,333,229.25
  5. Step 5: Solve for x
    x = 1,090,493,244,333,229.25/28,553,155.02
  6. Step 6: Final answer
    x = 38,191,689.98

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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.