Home / 15,346,292.68-21,177,885.06-8,470,776.52

Finding the Fourth Proportional to 15,346,292.68, 21,177,885.06 and 8,470,776.52

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Solution

The fourth proportional to 15,346,292.68, 21,177,885.06 and 8,470,776.52 is: 11,689,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,346,292.68 : 21,177,885.06 = 8,470,776.52 : x
  2. Step 2: Convert to fraction form
    15,346,292.68/21,177,885.06 = 8,470,776.52/x
  3. Step 3: Cross multiply
    15,346,292.68x = 21,177,885.06 × 8,470,776.52
  4. Step 4: Simplify right side
    15,346,292.68x = 179,393,131,509,506.78
  5. Step 5: Solve for x
    x = 179,393,131,509,506.78/15,346,292.68
  6. Step 6: Final answer
    x = 11,689,672.24

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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.