Home / 14,087,332.80-21,130,999.20-3,989,953.80

Finding the Fourth Proportional to 14,087,332.80, 21,130,999.20 and 3,989,953.80

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Solution

The fourth proportional to 14,087,332.80, 21,130,999.20 and 3,989,953.80 is: 5,984,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087,332.80 : 21,130,999.20 = 3,989,953.80 : x
  2. Step 2: Convert to fraction form
    14,087,332.80/21,130,999.20 = 3,989,953.80/x
  3. Step 3: Cross multiply
    14,087,332.80x = 21,130,999.20 × 3,989,953.80
  4. Step 4: Simplify right side
    14,087,332.80x = 84,311,710,555,836.95
  5. Step 5: Solve for x
    x = 84,311,710,555,836.95/14,087,332.80
  6. Step 6: Final answer
    x = 5,984,930.70

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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.