Home / 18,065,681.10-24,930,666.12-9,805,749.80

Finding the Fourth Proportional to 18,065,681.10, 24,930,666.12 and 9,805,749.80

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Solution

The fourth proportional to 18,065,681.10, 24,930,666.12 and 9,805,749.80 is: 13,531,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065,681.10 : 24,930,666.12 = 9,805,749.80 : x
  2. Step 2: Convert to fraction form
    18,065,681.10/24,930,666.12 = 9,805,749.80/x
  3. Step 3: Cross multiply
    18,065,681.10x = 24,930,666.12 × 9,805,749.80
  4. Step 4: Simplify right side
    18,065,681.10x = 244,463,874,195,403.47
  5. Step 5: Solve for x
    x = 244,463,874,195,403.47/18,065,681.10
  6. Step 6: Final answer
    x = 13,531,948.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.