Home / 13,830,426-20,742,022.49-4,112,421.71

Finding the Fourth Proportional to 13,830,426, 20,742,022.49 and 4,112,421.71

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Solution

The fourth proportional to 13,830,426, 20,742,022.49 and 4,112,421.71 is: 6,167,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,426 : 20,742,022.49 = 4,112,421.71 : x
  2. Step 2: Convert to fraction form
    13,830,426/20,742,022.49 = 4,112,421.71/x
  3. Step 3: Cross multiply
    13,830,426x = 20,742,022.49 × 4,112,421.71
  4. Step 4: Simplify right side
    13,830,426x = 85,299,943,472,912.03
  5. Step 5: Solve for x
    x = 85,299,943,472,912.03/13,830,426
  6. Step 6: Final answer
    x = 6,167,557.20

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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.