Home / 27,720,379.70-41,580,569.55-7,528,123.70

Finding the Fourth Proportional to 27,720,379.70, 41,580,569.55 and 7,528,123.70

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Solution

The fourth proportional to 27,720,379.70, 41,580,569.55 and 7,528,123.70 is: 11,292,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,720,379.70 : 41,580,569.55 = 7,528,123.70 : x
  2. Step 2: Convert to fraction form
    27,720,379.70/41,580,569.55 = 7,528,123.70/x
  3. Step 3: Cross multiply
    27,720,379.70x = 41,580,569.55 × 7,528,123.70
  4. Step 4: Simplify right side
    27,720,379.70x = 313,023,671,088,853.31
  5. Step 5: Solve for x
    x = 313,023,671,088,853.31/27,720,379.70
  6. Step 6: Final answer
    x = 11,292,185.55

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1.5x scale

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.