Home / 13,812,495.91-20,720,634.69-4,712,150.15

Finding the Fourth Proportional to 13,812,495.91, 20,720,634.69 and 4,712,150.15

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Solution

The fourth proportional to 13,812,495.91, 20,720,634.69 and 4,712,150.15 is: 7,068,870.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,495.91 : 20,720,634.69 = 4,712,150.15 : x
  2. Step 2: Convert to fraction form
    13,812,495.91/20,720,634.69 = 4,712,150.15/x
  3. Step 3: Cross multiply
    13,812,495.91x = 20,720,634.69 × 4,712,150.15
  4. Step 4: Simplify right side
    13,812,495.91x = 97,638,741,862,578.72
  5. Step 5: Solve for x
    x = 97,638,741,862,578.72/13,812,495.91
  6. Step 6: Final answer
    x = 7,068,870.28

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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.