Home / 38,494,783.79-57,742,913.79-12,587,182.66

Finding the Fourth Proportional to 38,494,783.79, 57,742,913.79 and 12,587,182.66

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Solution

The fourth proportional to 38,494,783.79, 57,742,913.79 and 12,587,182.66 is: 18,881,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,494,783.79 : 57,742,913.79 = 12,587,182.66 : x
  2. Step 2: Convert to fraction form
    38,494,783.79/57,742,913.79 = 12,587,182.66/x
  3. Step 3: Cross multiply
    38,494,783.79x = 57,742,913.79 × 12,587,182.66
  4. Step 4: Simplify right side
    38,494,783.79x = 726,820,603,051,005.62
  5. Step 5: Solve for x
    x = 726,820,603,051,005.62/38,494,783.79
  6. Step 6: Final answer
    x = 18,881,015.34

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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.