Home / 30,285,969.20-45,428,953.80-14,106,543.20

Finding the Fourth Proportional to 30,285,969.20, 45,428,953.80 and 14,106,543.20

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Solution

The fourth proportional to 30,285,969.20, 45,428,953.80 and 14,106,543.20 is: 21,159,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285,969.20 : 45,428,953.80 = 14,106,543.20 : x
  2. Step 2: Convert to fraction form
    30,285,969.20/45,428,953.80 = 14,106,543.20/x
  3. Step 3: Cross multiply
    30,285,969.20x = 45,428,953.80 × 14,106,543.20
  4. Step 4: Simplify right side
    30,285,969.20x = 640,845,499,310,504.12
  5. Step 5: Solve for x
    x = 640,845,499,310,504.12/30,285,969.20
  6. Step 6: Final answer
    x = 21,159,814.80

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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.