Home / 28,881,553.15-43,336,342.32-12,705,402.52

Finding the Fourth Proportional to 28,881,553.15, 43,336,342.32 and 12,705,402.52

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Solution

The fourth proportional to 28,881,553.15, 43,336,342.32 and 12,705,402.52 is: 19,064,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,881,553.15 : 43,336,342.32 = 12,705,402.52 : x
  2. Step 2: Convert to fraction form
    28,881,553.15/43,336,342.32 = 12,705,402.52/x
  3. Step 3: Cross multiply
    28,881,553.15x = 43,336,342.32 × 12,705,402.52
  4. Step 4: Simplify right side
    28,881,553.15x = 550,605,672,639,901.94
  5. Step 5: Solve for x
    x = 550,605,672,639,901.94/28,881,553.15
  6. Step 6: Final answer
    x = 19,064,268.11

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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.