Home / 14,127,868.80-21,191,803.20-3,490,300.80

Finding the Fourth Proportional to 14,127,868.80, 21,191,803.20 and 3,490,300.80

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Solution

The fourth proportional to 14,127,868.80, 21,191,803.20 and 3,490,300.80 is: 5,235,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,868.80 : 21,191,803.20 = 3,490,300.80 : x
  2. Step 2: Convert to fraction form
    14,127,868.80/21,191,803.20 = 3,490,300.80/x
  3. Step 3: Cross multiply
    14,127,868.80x = 21,191,803.20 × 3,490,300.80
  4. Step 4: Simplify right side
    14,127,868.80x = 73,965,767,662,402.55
  5. Step 5: Solve for x
    x = 73,965,767,662,402.55/14,127,868.80
  6. Step 6: Final answer
    x = 5,235,451.20

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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.