Home / 38,670,461.81-53,364,172.09-21,266,805.15

Finding the Fourth Proportional to 38,670,461.81, 53,364,172.09 and 21,266,805.15

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Solution

The fourth proportional to 38,670,461.81, 53,364,172.09 and 21,266,805.15 is: 29,347,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,670,461.81 : 53,364,172.09 = 21,266,805.15 : x
  2. Step 2: Convert to fraction form
    38,670,461.81/53,364,172.09 = 21,266,805.15/x
  3. Step 3: Cross multiply
    38,670,461.81x = 53,364,172.09 × 21,266,805.15
  4. Step 4: Simplify right side
    38,670,461.81x = 1,134,885,449,829,098.25
  5. Step 5: Solve for x
    x = 1,134,885,449,829,098.25/38,670,461.81
  6. Step 6: Final answer
    x = 29,347,605.30

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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.