Home / 13,611,400.86-18,785,056.88-10,167,663.18

Finding the Fourth Proportional to 13,611,400.86, 18,785,056.88 and 10,167,663.18

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Solution

The fourth proportional to 13,611,400.86, 18,785,056.88 and 10,167,663.18 is: 14,032,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,400.86 : 18,785,056.88 = 10,167,663.18 : x
  2. Step 2: Convert to fraction form
    13,611,400.86/18,785,056.88 = 10,167,663.18/x
  3. Step 3: Cross multiply
    13,611,400.86x = 18,785,056.88 × 10,167,663.18
  4. Step 4: Simplify right side
    13,611,400.86x = 191,000,131,172,981.66
  5. Step 5: Solve for x
    x = 191,000,131,172,981.66/13,611,400.86
  6. Step 6: Final answer
    x = 14,032,363.98

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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.