Home / 38,307,807.36-52,865,896.08-20,905,274.16

Finding the Fourth Proportional to 38,307,807.36, 52,865,896.08 and 20,905,274.16

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Solution

The fourth proportional to 38,307,807.36, 52,865,896.08 and 20,905,274.16 is: 28,849,890.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307,807.36 : 52,865,896.08 = 20,905,274.16 : x
  2. Step 2: Convert to fraction form
    38,307,807.36/52,865,896.08 = 20,905,274.16/x
  3. Step 3: Cross multiply
    38,307,807.36x = 52,865,896.08 × 20,905,274.16
  4. Step 4: Simplify right side
    38,307,807.36x = 1,105,176,051,266,469.25
  5. Step 5: Solve for x
    x = 1,105,176,051,266,469.25/38,307,807.36
  6. Step 6: Final answer
    x = 28,849,890.59

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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.