Home / 13,980,385.17-19,293,370.70-7,701,367.91

Finding the Fourth Proportional to 13,980,385.17, 19,293,370.70 and 7,701,367.91

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Solution

The fourth proportional to 13,980,385.17, 19,293,370.70 and 7,701,367.91 is: 10,628,129.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,980,385.17 : 19,293,370.70 = 7,701,367.91 : x
  2. Step 2: Convert to fraction form
    13,980,385.17/19,293,370.70 = 7,701,367.91/x
  3. Step 3: Cross multiply
    13,980,385.17x = 19,293,370.70 × 7,701,367.91
  4. Step 4: Simplify right side
    13,980,385.17x = 148,585,345,849,740.56
  5. Step 5: Solve for x
    x = 148,585,345,849,740.56/13,980,385.17
  6. Step 6: Final answer
    x = 10,628,129.63

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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.