Home / 13,548,812.96-18,697,127.20-7,353,726.72

Finding the Fourth Proportional to 13,548,812.96, 18,697,127.20 and 7,353,726.72

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Solution

The fourth proportional to 13,548,812.96, 18,697,127.20 and 7,353,726.72 is: 10,148,015.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,812.96 : 18,697,127.20 = 7,353,726.72 : x
  2. Step 2: Convert to fraction form
    13,548,812.96/18,697,127.20 = 7,353,726.72/x
  3. Step 3: Cross multiply
    13,548,812.96x = 18,697,127.20 × 7,353,726.72
  4. Step 4: Simplify right side
    13,548,812.96x = 137,493,563,877,878.78
  5. Step 5: Solve for x
    x = 137,493,563,877,878.78/13,548,812.96
  6. Step 6: Final answer
    x = 10,148,015.50

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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.