Home / 7,748,915.77-11,625,989.45-3,430,370.29

Finding the Fourth Proportional to 7,748,915.77, 11,625,989.45 and 3,430,370.29

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Solution

The fourth proportional to 7,748,915.77, 11,625,989.45 and 3,430,370.29 is: 5,146,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,748,915.77 : 11,625,989.45 = 3,430,370.29 : x
  2. Step 2: Convert to fraction form
    7,748,915.77/11,625,989.45 = 3,430,370.29/x
  3. Step 3: Cross multiply
    7,748,915.77x = 11,625,989.45 × 3,430,370.29
  4. Step 4: Simplify right side
    7,748,915.77x = 39,881,448,783,981.59
  5. Step 5: Solve for x
    x = 39,881,448,783,981.59/7,748,915.77
  6. Step 6: Final answer
    x = 5,146,713.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.