Home / 38,417,580.89-53,016,420.26-20,776,483.06

Finding the Fourth Proportional to 38,417,580.89, 53,016,420.26 and 20,776,483.06

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Solution

The fourth proportional to 38,417,580.89, 53,016,420.26 and 20,776,483.06 is: 28,671,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417,580.89 : 53,016,420.26 = 20,776,483.06 : x
  2. Step 2: Convert to fraction form
    38,417,580.89/53,016,420.26 = 20,776,483.06/x
  3. Step 3: Cross multiply
    38,417,580.89x = 53,016,420.26 × 20,776,483.06
  4. Step 4: Simplify right side
    38,417,580.89x = 1,101,494,757,236,263.25
  5. Step 5: Solve for x
    x = 1,101,494,757,236,263.25/38,417,580.89
  6. Step 6: Final answer
    x = 28,671,632.41

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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.