Home / 31,772,615.73-47,666,053.21-10,208,445.81

Finding the Fourth Proportional to 31,772,615.73, 47,666,053.21 and 10,208,445.81

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Solution

The fourth proportional to 31,772,615.73, 47,666,053.21 and 10,208,445.81 is: 15,314,959.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772,615.73 : 47,666,053.21 = 10,208,445.81 : x
  2. Step 2: Convert to fraction form
    31,772,615.73/47,666,053.21 = 10,208,445.81/x
  3. Step 3: Cross multiply
    31,772,615.73x = 47,666,053.21 × 10,208,445.81
  4. Step 4: Simplify right side
    31,772,615.73x = 486,596,321,170,861.56
  5. Step 5: Solve for x
    x = 486,596,321,170,861.56/31,772,615.73
  6. Step 6: Final answer
    x = 15,314,959.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.