Home / 13,440,984-20,163,497.76-4,340,031.36

Finding the Fourth Proportional to 13,440,984, 20,163,497.76 and 4,340,031.36

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Solution

The fourth proportional to 13,440,984, 20,163,497.76 and 4,340,031.36 is: 6,510,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,984 : 20,163,497.76 = 4,340,031.36 : x
  2. Step 2: Convert to fraction form
    13,440,984/20,163,497.76 = 4,340,031.36/x
  3. Step 3: Cross multiply
    13,440,984x = 20,163,497.76 × 4,340,031.36
  4. Step 4: Simplify right side
    13,440,984x = 87,510,212,605,689.77
  5. Step 5: Solve for x
    x = 87,510,212,605,689.77/13,440,984
  6. Step 6: Final answer
    x = 6,510,699.86

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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.