Home / 13,574,321.76-18,738,602.52-8,069,478.72

Finding the Fourth Proportional to 13,574,321.76, 18,738,602.52 and 8,069,478.72

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Solution

The fourth proportional to 13,574,321.76, 18,738,602.52 and 8,069,478.72 is: 11,139,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,321.76 : 18,738,602.52 = 8,069,478.72 : x
  2. Step 2: Convert to fraction form
    13,574,321.76/18,738,602.52 = 8,069,478.72/x
  3. Step 3: Cross multiply
    13,574,321.76x = 18,738,602.52 × 8,069,478.72
  4. Step 4: Simplify right side
    13,574,321.76x = 151,210,754,277,678.38
  5. Step 5: Solve for x
    x = 151,210,754,277,678.38/13,574,321.76
  6. Step 6: Final answer
    x = 11,139,470.31

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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.