Home / 21,304,005.80-31,956,008.70-17,902,783.40

Finding the Fourth Proportional to 21,304,005.80, 31,956,008.70 and 17,902,783.40

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Solution

The fourth proportional to 21,304,005.80, 31,956,008.70 and 17,902,783.40 is: 26,854,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304,005.80 : 31,956,008.70 = 17,902,783.40 : x
  2. Step 2: Convert to fraction form
    21,304,005.80/31,956,008.70 = 17,902,783.40/x
  3. Step 3: Cross multiply
    21,304,005.80x = 31,956,008.70 × 17,902,783.40
  4. Step 4: Simplify right side
    21,304,005.80x = 572,101,502,084,615.50
  5. Step 5: Solve for x
    x = 572,101,502,084,615.50/21,304,005.80
  6. Step 6: Final answer
    x = 26,854,175.10

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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.