Home / 30,360,709.08-45,541,028.02-9,890,395.88

Finding the Fourth Proportional to 30,360,709.08, 45,541,028.02 and 9,890,395.88

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Solution

The fourth proportional to 30,360,709.08, 45,541,028.02 and 9,890,395.88 is: 14,835,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360,709.08 : 45,541,028.02 = 9,890,395.88 : x
  2. Step 2: Convert to fraction form
    30,360,709.08/45,541,028.02 = 9,890,395.88/x
  3. Step 3: Cross multiply
    30,360,709.08x = 45,541,028.02 × 9,890,395.88
  4. Step 4: Simplify right side
    30,360,709.08x = 450,418,795,899,972.62
  5. Step 5: Solve for x
    x = 450,418,795,899,972.62/30,360,709.08
  6. Step 6: Final answer
    x = 14,835,582.22

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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.