Home / 32,643,004.88-45,028,640-20,398,604.24

Finding the Fourth Proportional to 32,643,004.88, 45,028,640 and 20,398,604.24

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Solution

The fourth proportional to 32,643,004.88, 45,028,640 and 20,398,604.24 is: 28,138,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,643,004.88 : 45,028,640 = 20,398,604.24 : x
  2. Step 2: Convert to fraction form
    32,643,004.88/45,028,640 = 20,398,604.24/x
  3. Step 3: Cross multiply
    32,643,004.88x = 45,028,640 × 20,398,604.24
  4. Step 4: Simplify right side
    32,643,004.88x = 918,521,406,825,433.50
  5. Step 5: Solve for x
    x = 918,521,406,825,433.50/32,643,004.88
  6. Step 6: Final answer
    x = 28,138,384.02

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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.