Home / 19,771,908.40-29,636,936.73-8,996,776.03

Finding the Fourth Proportional to 19,771,908.40, 29,636,936.73 and 8,996,776.03

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Solution

The fourth proportional to 19,771,908.40, 29,636,936.73 and 8,996,776.03 is: 13,485,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771,908.40 : 29,636,936.73 = 8,996,776.03 : x
  2. Step 2: Convert to fraction form
    19,771,908.40/29,636,936.73 = 8,996,776.03/x
  3. Step 3: Cross multiply
    19,771,908.40x = 29,636,936.73 × 8,996,776.03
  4. Step 4: Simplify right side
    19,771,908.40x = 266,636,881,975,090.56
  5. Step 5: Solve for x
    x = 266,636,881,975,090.56/19,771,908.40
  6. Step 6: Final answer
    x = 13,485,642.18

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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.