Home / 38,417,581.24-53,016,420.74-20,776,483.41

Finding the Fourth Proportional to 38,417,581.24, 53,016,420.74 and 20,776,483.41

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Solution

The fourth proportional to 38,417,581.24, 53,016,420.74 and 20,776,483.41 is: 28,671,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417,581.24 : 53,016,420.74 = 20,776,483.41 : x
  2. Step 2: Convert to fraction form
    38,417,581.24/53,016,420.74 = 20,776,483.41/x
  3. Step 3: Cross multiply
    38,417,581.24x = 53,016,420.74 × 20,776,483.41
  4. Step 4: Simplify right side
    38,417,581.24x = 1,101,494,785,776,363.62
  5. Step 5: Solve for x
    x = 1,101,494,785,776,363.62/38,417,581.24
  6. Step 6: Final answer
    x = 28,671,632.89

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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.