Home / 14,275,620.36-19,700,381.16-7,749,254.25

Finding the Fourth Proportional to 14,275,620.36, 19,700,381.16 and 7,749,254.25

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Solution

The fourth proportional to 14,275,620.36, 19,700,381.16 and 7,749,254.25 is: 10,693,984.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,620.36 : 19,700,381.16 = 7,749,254.25 : x
  2. Step 2: Convert to fraction form
    14,275,620.36/19,700,381.16 = 7,749,254.25/x
  3. Step 3: Cross multiply
    14,275,620.36x = 19,700,381.16 × 7,749,254.25
  4. Step 4: Simplify right side
    14,275,620.36x = 152,663,262,430,749.94
  5. Step 5: Solve for x
    x = 152,663,262,430,749.94/14,275,620.36
  6. Step 6: Final answer
    x = 10,693,984.47

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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.