Home / 30,674,119.12-42,334,005.54-22,410,045.52

Finding the Fourth Proportional to 30,674,119.12, 42,334,005.54 and 22,410,045.52

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Solution

The fourth proportional to 30,674,119.12, 42,334,005.54 and 22,410,045.52 is: 30,928,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,674,119.12 : 42,334,005.54 = 22,410,045.52 : x
  2. Step 2: Convert to fraction form
    30,674,119.12/42,334,005.54 = 22,410,045.52/x
  3. Step 3: Cross multiply
    30,674,119.12x = 42,334,005.54 × 22,410,045.52
  4. Step 4: Simplify right side
    30,674,119.12x = 948,706,991,195,332.12
  5. Step 5: Solve for x
    x = 948,706,991,195,332.12/30,674,119.12
  6. Step 6: Final answer
    x = 30,928,581.44

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1.5x scale

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.