Home / 30,353,909.40-45,515,117.70-11,174,794.20

Finding the Fourth Proportional to 30,353,909.40, 45,515,117.70 and 11,174,794.20

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Solution

The fourth proportional to 30,353,909.40, 45,515,117.70 and 11,174,794.20 is: 16,756,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353,909.40 : 45,515,117.70 = 11,174,794.20 : x
  2. Step 2: Convert to fraction form
    30,353,909.40/45,515,117.70 = 11,174,794.20/x
  3. Step 3: Cross multiply
    30,353,909.40x = 45,515,117.70 × 11,174,794.20
  4. Step 4: Simplify right side
    30,353,909.40x = 508,622,073,286,277.31
  5. Step 5: Solve for x
    x = 508,622,073,286,277.31/30,353,909.40
  6. Step 6: Final answer
    x = 16,756,394.26

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1.5x scale

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.