Home / 15,855,970.61-21,883,054.57-8,888,529.96

Finding the Fourth Proportional to 15,855,970.61, 21,883,054.57 and 8,888,529.96

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Solution

The fourth proportional to 15,855,970.61, 21,883,054.57 and 8,888,529.96 is: 12,267,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855,970.61 : 21,883,054.57 = 8,888,529.96 : x
  2. Step 2: Convert to fraction form
    15,855,970.61/21,883,054.57 = 8,888,529.96/x
  3. Step 3: Cross multiply
    15,855,970.61x = 21,883,054.57 × 8,888,529.96
  4. Step 4: Simplify right side
    15,855,970.61x = 194,508,186,139,538.59
  5. Step 5: Solve for x
    x = 194,508,186,139,538.59/15,855,970.61
  6. Step 6: Final answer
    x = 12,267,188.86

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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.