Home / 38,903,314.70-53,686,740.90-21,262,573.62

Finding the Fourth Proportional to 38,903,314.70, 53,686,740.90 and 21,262,573.62

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Solution

The fourth proportional to 38,903,314.70, 53,686,740.90 and 21,262,573.62 is: 29,342,442.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,903,314.70 : 53,686,740.90 = 21,262,573.62 : x
  2. Step 2: Convert to fraction form
    38,903,314.70/53,686,740.90 = 21,262,573.62/x
  3. Step 3: Cross multiply
    38,903,314.70x = 53,686,740.90 × 21,262,573.62
  4. Step 4: Simplify right side
    38,903,314.70x = 1,141,518,280,804,115
  5. Step 5: Solve for x
    x = 1,141,518,280,804,115/38,903,314.70
  6. Step 6: Final answer
    x = 29,342,442.66

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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.