Home / 20,671,315.80-31,006,973.70-14,506,600.20

Finding the Fourth Proportional to 20,671,315.80, 31,006,973.70 and 14,506,600.20

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Solution

The fourth proportional to 20,671,315.80, 31,006,973.70 and 14,506,600.20 is: 21,759,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,315.80 : 31,006,973.70 = 14,506,600.20 : x
  2. Step 2: Convert to fraction form
    20,671,315.80/31,006,973.70 = 14,506,600.20/x
  3. Step 3: Cross multiply
    20,671,315.80x = 31,006,973.70 × 14,506,600.20
  4. Step 4: Simplify right side
    20,671,315.80x = 449,805,770,877,814.69
  5. Step 5: Solve for x
    x = 449,805,770,877,814.69/20,671,315.80
  6. Step 6: Final answer
    x = 21,759,900.30

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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.