Home / 14,288,697.90-19,718,324.37-7,762,275.18

Finding the Fourth Proportional to 14,288,697.90, 19,718,324.37 and 7,762,275.18

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Solution

The fourth proportional to 14,288,697.90, 19,718,324.37 and 7,762,275.18 is: 10,711,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288,697.90 : 19,718,324.37 = 7,762,275.18 : x
  2. Step 2: Convert to fraction form
    14,288,697.90/19,718,324.37 = 7,762,275.18/x
  3. Step 3: Cross multiply
    14,288,697.90x = 19,718,324.37 × 7,762,275.18
  4. Step 4: Simplify right side
    14,288,697.90x = 153,059,059,848,440.12
  5. Step 5: Solve for x
    x = 153,059,059,848,440.12/14,288,697.90
  6. Step 6: Final answer
    x = 10,711,896.98

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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.