Home / 13,564,483.35-18,719,199.39-7,369,652.76

Finding the Fourth Proportional to 13,564,483.35, 18,719,199.39 and 7,369,652.76

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Solution

The fourth proportional to 13,564,483.35, 18,719,199.39 and 7,369,652.76 is: 10,170,236.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,483.35 : 18,719,199.39 = 7,369,652.76 : x
  2. Step 2: Convert to fraction form
    13,564,483.35/18,719,199.39 = 7,369,652.76/x
  3. Step 3: Cross multiply
    13,564,483.35x = 18,719,199.39 × 7,369,652.76
  4. Step 4: Simplify right side
    13,564,483.35x = 137,953,999,449,503.81
  5. Step 5: Solve for x
    x = 137,953,999,449,503.81/13,564,483.35
  6. Step 6: Final answer
    x = 10,170,236.19

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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.