Home / 28,835,553.89-39,793,185.70-15,604,731.45

Finding the Fourth Proportional to 28,835,553.89, 39,793,185.70 and 15,604,731.45

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Solution

The fourth proportional to 28,835,553.89, 39,793,185.70 and 15,604,731.45 is: 21,534,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835,553.89 : 39,793,185.70 = 15,604,731.45 : x
  2. Step 2: Convert to fraction form
    28,835,553.89/39,793,185.70 = 15,604,731.45/x
  3. Step 3: Cross multiply
    28,835,553.89x = 39,793,185.70 × 15,604,731.45
  4. Step 4: Simplify right side
    28,835,553.89x = 620,961,976,349,468.38
  5. Step 5: Solve for x
    x = 620,961,976,349,468.38/28,835,553.89
  6. Step 6: Final answer
    x = 21,534,595.06

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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.