Home / 14,304,051.20-21,456,076.80-8,918,782.40

Finding the Fourth Proportional to 14,304,051.20, 21,456,076.80 and 8,918,782.40

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Solution

The fourth proportional to 14,304,051.20, 21,456,076.80 and 8,918,782.40 is: 13,378,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304,051.20 : 21,456,076.80 = 8,918,782.40 : x
  2. Step 2: Convert to fraction form
    14,304,051.20/21,456,076.80 = 8,918,782.40/x
  3. Step 3: Cross multiply
    14,304,051.20x = 21,456,076.80 × 8,918,782.40
  4. Step 4: Simplify right side
    14,304,051.20x = 191,362,080,136,888.34
  5. Step 5: Solve for x
    x = 191,362,080,136,888.34/14,304,051.20
  6. Step 6: Final answer
    x = 13,378,173.60

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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.