Home / 30,415,635.04-45,624,035.76-9,945,431.68

Finding the Fourth Proportional to 30,415,635.04, 45,624,035.76 and 9,945,431.68

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Solution

The fourth proportional to 30,415,635.04, 45,624,035.76 and 9,945,431.68 is: 14,918,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415,635.04 : 45,624,035.76 = 9,945,431.68 : x
  2. Step 2: Convert to fraction form
    30,415,635.04/45,624,035.76 = 9,945,431.68/x
  3. Step 3: Cross multiply
    30,415,635.04x = 45,624,035.76 × 9,945,431.68
  4. Step 4: Simplify right side
    30,415,635.04x = 453,750,730,616,956.81
  5. Step 5: Solve for x
    x = 453,750,730,616,956.81/30,415,635.04
  6. Step 6: Final answer
    x = 14,918,338.22

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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.