Home / 14,275,640.10-19,700,408.52-7,749,274.08

Finding the Fourth Proportional to 14,275,640.10, 19,700,408.52 and 7,749,274.08

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Solution

The fourth proportional to 14,275,640.10, 19,700,408.52 and 7,749,274.08 is: 10,694,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,640.10 : 19,700,408.52 = 7,749,274.08 : x
  2. Step 2: Convert to fraction form
    14,275,640.10/19,700,408.52 = 7,749,274.08/x
  3. Step 3: Cross multiply
    14,275,640.10x = 19,700,408.52 × 7,749,274.08
  4. Step 4: Simplify right side
    14,275,640.10x = 152,663,865,109,447.16
  5. Step 5: Solve for x
    x = 152,663,865,109,447.16/14,275,640.10
  6. Step 6: Final answer
    x = 10,694,011.90

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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.