Home / 38,670,458-53,364,166.28-21,266,802.80

Finding the Fourth Proportional to 38,670,458, 53,364,166.28 and 21,266,802.80

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Solution

The fourth proportional to 38,670,458, 53,364,166.28 and 21,266,802.80 is: 29,347,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,458 : 53,364,166.28 = 21,266,802.80 : x
  2. Step 2: Convert to fraction form
    38,670,458/53,364,166.28 = 21,266,802.80/x
  3. Step 3: Cross multiply
    38,670,458x = 53,364,166.28 × 21,266,802.80
  4. Step 4: Simplify right side
    38,670,458x = 1,134,885,200,863,169.75
  5. Step 5: Solve for x
    x = 1,134,885,200,863,169.75/38,670,458
  6. Step 6: Final answer
    x = 29,347,601.75

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1.5x scale

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.