Home / 30,215,344.20-45,323,016.30-10,020,586.20

Finding the Fourth Proportional to 30,215,344.20, 45,323,016.30 and 10,020,586.20

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Solution

The fourth proportional to 30,215,344.20, 45,323,016.30 and 10,020,586.20 is: 15,030,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215,344.20 : 45,323,016.30 = 10,020,586.20 : x
  2. Step 2: Convert to fraction form
    30,215,344.20/45,323,016.30 = 10,020,586.20/x
  3. Step 3: Cross multiply
    30,215,344.20x = 45,323,016.30 × 10,020,586.20
  4. Step 4: Simplify right side
    30,215,344.20x = 454,163,191,678,155
  5. Step 5: Solve for x
    x = 454,163,191,678,155/30,215,344.20
  6. Step 6: Final answer
    x = 15,030,879.30

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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.