Home / 28,655,999.10-42,983,998.65-19,586,072.70

Finding the Fourth Proportional to 28,655,999.10, 42,983,998.65 and 19,586,072.70

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Solution

The fourth proportional to 28,655,999.10, 42,983,998.65 and 19,586,072.70 is: 29,379,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655,999.10 : 42,983,998.65 = 19,586,072.70 : x
  2. Step 2: Convert to fraction form
    28,655,999.10/42,983,998.65 = 19,586,072.70/x
  3. Step 3: Cross multiply
    28,655,999.10x = 42,983,998.65 × 19,586,072.70
  4. Step 4: Simplify right side
    28,655,999.10x = 841,887,722,495,601.75
  5. Step 5: Solve for x
    x = 841,887,722,495,601.75/28,655,999.10
  6. Step 6: Final answer
    x = 29,379,109.05

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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.