Home / 21,999,177.59-30,358,485.72-12,210,034.37

Finding the Fourth Proportional to 21,999,177.59, 30,358,485.72 and 12,210,034.37

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Solution

The fourth proportional to 21,999,177.59, 30,358,485.72 and 12,210,034.37 is: 16,849,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999,177.59 : 30,358,485.72 = 12,210,034.37 : x
  2. Step 2: Convert to fraction form
    21,999,177.59/30,358,485.72 = 12,210,034.37/x
  3. Step 3: Cross multiply
    21,999,177.59x = 30,358,485.72 × 12,210,034.37
  4. Step 4: Simplify right side
    21,999,177.59x = 370,678,153,910,561.75
  5. Step 5: Solve for x
    x = 370,678,153,910,561.75/21,999,177.59
  6. Step 6: Final answer
    x = 16,849,636.88

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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.