Home / 10,790,630.10-16,185,945.15-7,389,407.70

Finding the Fourth Proportional to 10,790,630.10, 16,185,945.15 and 7,389,407.70

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Solution

The fourth proportional to 10,790,630.10, 16,185,945.15 and 7,389,407.70 is: 11,084,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,630.10 : 16,185,945.15 = 7,389,407.70 : x
  2. Step 2: Convert to fraction form
    10,790,630.10/16,185,945.15 = 7,389,407.70/x
  3. Step 3: Cross multiply
    10,790,630.10x = 16,185,945.15 × 7,389,407.70
  4. Step 4: Simplify right side
    10,790,630.10x = 119,604,547,723,187.66
  5. Step 5: Solve for x
    x = 119,604,547,723,187.66/10,790,630.10
  6. Step 6: Final answer
    x = 11,084,111.55

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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.