Home / 38,826,784.90-53,582,084.34-21,424,251.13

Finding the Fourth Proportional to 38,826,784.90, 53,582,084.34 and 21,424,251.13

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Solution

The fourth proportional to 38,826,784.90, 53,582,084.34 and 21,424,251.13 is: 29,566,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,826,784.90 : 53,582,084.34 = 21,424,251.13 : x
  2. Step 2: Convert to fraction form
    38,826,784.90/53,582,084.34 = 21,424,251.13/x
  3. Step 3: Cross multiply
    38,826,784.90x = 53,582,084.34 × 21,424,251.13
  4. Step 4: Simplify right side
    38,826,784.90x = 1,147,956,030,814,970.75
  5. Step 5: Solve for x
    x = 1,147,956,030,814,970.75/38,826,784.90
  6. Step 6: Final answer
    x = 29,566,085.21

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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.