Home / 30,240,887.20-45,367,235.70-12,041,985.40

Finding the Fourth Proportional to 30,240,887.20, 45,367,235.70 and 12,041,985.40

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Solution

The fourth proportional to 30,240,887.20, 45,367,235.70 and 12,041,985.40 is: 18,065,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,887.20 : 45,367,235.70 = 12,041,985.40 : x
  2. Step 2: Convert to fraction form
    30,240,887.20/45,367,235.70 = 12,041,985.40/x
  3. Step 3: Cross multiply
    30,240,887.20x = 45,367,235.70 × 12,041,985.40
  4. Step 4: Simplify right side
    30,240,887.20x = 546,311,589,937,758.81
  5. Step 5: Solve for x
    x = 546,311,589,937,758.81/30,240,887.20
  6. Step 6: Final answer
    x = 18,065,329.44

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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.