Home / 20,074,292.80-30,111,439.20-14,447,579.20

Finding the Fourth Proportional to 20,074,292.80, 30,111,439.20 and 14,447,579.20

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Solution

The fourth proportional to 20,074,292.80, 30,111,439.20 and 14,447,579.20 is: 21,671,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074,292.80 : 30,111,439.20 = 14,447,579.20 : x
  2. Step 2: Convert to fraction form
    20,074,292.80/30,111,439.20 = 14,447,579.20/x
  3. Step 3: Cross multiply
    20,074,292.80x = 30,111,439.20 × 14,447,579.20
  4. Step 4: Simplify right side
    20,074,292.80x = 435,037,402,667,984.62
  5. Step 5: Solve for x
    x = 435,037,402,667,984.62/20,074,292.80
  6. Step 6: Final answer
    x = 21,671,368.80

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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.