Home / 15,487,596.69-21,372,901.14-8,611,931.13

Finding the Fourth Proportional to 15,487,596.69, 21,372,901.14 and 8,611,931.13

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Solution

The fourth proportional to 15,487,596.69, 21,372,901.14 and 8,611,931.13 is: 11,884,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,487,596.69 : 21,372,901.14 = 8,611,931.13 : x
  2. Step 2: Convert to fraction form
    15,487,596.69/21,372,901.14 = 8,611,931.13/x
  3. Step 3: Cross multiply
    15,487,596.69x = 21,372,901.14 × 8,611,931.13
  4. Step 4: Simplify right side
    15,487,596.69x = 184,061,952,665,978.50
  5. Step 5: Solve for x
    x = 184,061,952,665,978.50/15,487,596.69
  6. Step 6: Final answer
    x = 11,884,474.81

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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.