Home / 14,371,985.80-21,557,978.70-13,049,288.20

Finding the Fourth Proportional to 14,371,985.80, 21,557,978.70 and 13,049,288.20

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Solution

The fourth proportional to 14,371,985.80, 21,557,978.70 and 13,049,288.20 is: 19,573,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,371,985.80 : 21,557,978.70 = 13,049,288.20 : x
  2. Step 2: Convert to fraction form
    14,371,985.80/21,557,978.70 = 13,049,288.20/x
  3. Step 3: Cross multiply
    14,371,985.80x = 21,557,978.70 × 13,049,288.20
  4. Step 4: Simplify right side
    14,371,985.80x = 281,316,277,065,761.31
  5. Step 5: Solve for x
    x = 281,316,277,065,761.31/14,371,985.80
  6. Step 6: Final answer
    x = 19,573,932.30

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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.