Home / 37,276,029.47-51,445,432.62-21,386,931.81

Finding the Fourth Proportional to 37,276,029.47, 51,445,432.62 and 21,386,931.81

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Solution

The fourth proportional to 37,276,029.47, 51,445,432.62 and 21,386,931.81 is: 29,516,554.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,276,029.47 : 51,445,432.62 = 21,386,931.81 : x
  2. Step 2: Convert to fraction form
    37,276,029.47/51,445,432.62 = 21,386,931.81/x
  3. Step 3: Cross multiply
    37,276,029.47x = 51,445,432.62 × 21,386,931.81
  4. Step 4: Simplify right side
    37,276,029.47x = 1,100,259,959,379,889.50
  5. Step 5: Solve for x
    x = 1,100,259,959,379,889.50/37,276,029.47
  6. Step 6: Final answer
    x = 29,516,554.61

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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.