Home / 30,415,632.04-45,624,031.26-9,945,428.68

Finding the Fourth Proportional to 30,415,632.04, 45,624,031.26 and 9,945,428.68

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Solution

The fourth proportional to 30,415,632.04, 45,624,031.26 and 9,945,428.68 is: 14,918,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,415,632.04 : 45,624,031.26 = 9,945,428.68 : x
  2. Step 2: Convert to fraction form
    30,415,632.04/45,624,031.26 = 9,945,428.68/x
  3. Step 3: Cross multiply
    30,415,632.04x = 45,624,031.26 × 9,945,428.68
  4. Step 4: Simplify right side
    30,415,632.04x = 453,750,548,990,420.50
  5. Step 5: Solve for x
    x = 453,750,548,990,420.50/30,415,632.04
  6. Step 6: Final answer
    x = 14,918,333.72

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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.