Home / 30,000,715.20-45,000,744.75-7,281,612.45

Finding the Fourth Proportional to 30,000,715.20, 45,000,744.75 and 7,281,612.45

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Solution

The fourth proportional to 30,000,715.20, 45,000,744.75 and 7,281,612.45 is: 10,922,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,000,715.20 : 45,000,744.75 = 7,281,612.45 : x
  2. Step 2: Convert to fraction form
    30,000,715.20/45,000,744.75 = 7,281,612.45/x
  3. Step 3: Cross multiply
    30,000,715.20x = 45,000,744.75 × 7,281,612.45
  4. Step 4: Simplify right side
    30,000,715.20x = 327,677,983,230,872.12
  5. Step 5: Solve for x
    x = 327,677,983,230,872.12/30,000,715.20
  6. Step 6: Final answer
    x = 10,922,339.05

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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.