Home / 14,079,985-19,430,379.30-7,641,457

Finding the Fourth Proportional to 14,079,985, 19,430,379.30 and 7,641,457

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Solution

The fourth proportional to 14,079,985, 19,430,379.30 and 7,641,457 is: 10,545,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079,985 : 19,430,379.30 = 7,641,457 : x
  2. Step 2: Convert to fraction form
    14,079,985/19,430,379.30 = 7,641,457/x
  3. Step 3: Cross multiply
    14,079,985x = 19,430,379.30 × 7,641,457
  4. Step 4: Simplify right side
    14,079,985x = 148,476,407,914,640.09
  5. Step 5: Solve for x
    x = 148,476,407,914,640.09/14,079,985
  6. Step 6: Final answer
    x = 10,545,210.66

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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.