Home / 13,812,498.42-20,720,638.44-4,712,152.65

Finding the Fourth Proportional to 13,812,498.42, 20,720,638.44 and 4,712,152.65

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Solution

The fourth proportional to 13,812,498.42, 20,720,638.44 and 4,712,152.65 is: 7,068,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,498.42 : 20,720,638.44 = 4,712,152.65 : x
  2. Step 2: Convert to fraction form
    13,812,498.42/20,720,638.44 = 4,712,152.65/x
  3. Step 3: Cross multiply
    13,812,498.42x = 20,720,638.44 × 4,712,152.65
  4. Step 4: Simplify right side
    13,812,498.42x = 97,638,811,334,737.88
  5. Step 5: Solve for x
    x = 97,638,811,334,737.88/13,812,498.42
  6. Step 6: Final answer
    x = 7,068,874.03

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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.