Home / 12,960,501.20-19,440,751.80-4,438,005.20

Finding the Fourth Proportional to 12,960,501.20, 19,440,751.80 and 4,438,005.20

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Solution

The fourth proportional to 12,960,501.20, 19,440,751.80 and 4,438,005.20 is: 6,657,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960,501.20 : 19,440,751.80 = 4,438,005.20 : x
  2. Step 2: Convert to fraction form
    12,960,501.20/19,440,751.80 = 4,438,005.20/x
  3. Step 3: Cross multiply
    12,960,501.20x = 19,440,751.80 × 4,438,005.20
  4. Step 4: Simplify right side
    12,960,501.20x = 86,278,157,580,309.36
  5. Step 5: Solve for x
    x = 86,278,157,580,309.36/12,960,501.20
  6. Step 6: Final answer
    x = 6,657,007.80

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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.