Home / 21,032,368.20-31,548,552.30-13,852,009.80

Finding the Fourth Proportional to 21,032,368.20, 31,548,552.30 and 13,852,009.80

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Solution

The fourth proportional to 21,032,368.20, 31,548,552.30 and 13,852,009.80 is: 20,778,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,368.20 : 31,548,552.30 = 13,852,009.80 : x
  2. Step 2: Convert to fraction form
    21,032,368.20/31,548,552.30 = 13,852,009.80/x
  3. Step 3: Cross multiply
    21,032,368.20x = 31,548,552.30 × 13,852,009.80
  4. Step 4: Simplify right side
    21,032,368.20x = 437,010,855,635,412.56
  5. Step 5: Solve for x
    x = 437,010,855,635,412.56/21,032,368.20
  6. Step 6: Final answer
    x = 20,778,014.70

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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.