Home / 30,625,358.28-42,249,715.68-18,228,500.04

Finding the Fourth Proportional to 30,625,358.28, 42,249,715.68 and 18,228,500.04

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Solution

The fourth proportional to 30,625,358.28, 42,249,715.68 and 18,228,500.04 is: 25,147,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625,358.28 : 42,249,715.68 = 18,228,500.04 : x
  2. Step 2: Convert to fraction form
    30,625,358.28/42,249,715.68 = 18,228,500.04/x
  3. Step 3: Cross multiply
    30,625,358.28x = 42,249,715.68 × 18,228,500.04
  4. Step 4: Simplify right side
    30,625,358.28x = 770,148,943,962,868.62
  5. Step 5: Solve for x
    x = 770,148,943,962,868.62/30,625,358.28
  6. Step 6: Final answer
    x = 25,147,426.42

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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.