Home / 16,821,681.81-23,213,903.08-9,086,722.89

Finding the Fourth Proportional to 16,821,681.81, 23,213,903.08 and 9,086,722.89

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Solution

The fourth proportional to 16,821,681.81, 23,213,903.08 and 9,086,722.89 is: 12,539,667.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,681.81 : 23,213,903.08 = 9,086,722.89 : x
  2. Step 2: Convert to fraction form
    16,821,681.81/23,213,903.08 = 9,086,722.89/x
  3. Step 3: Cross multiply
    16,821,681.81x = 23,213,903.08 × 9,086,722.89
  4. Step 4: Simplify right side
    16,821,681.81x = 210,938,304,483,277.50
  5. Step 5: Solve for x
    x = 210,938,304,483,277.50/16,821,681.81
  6. Step 6: Final answer
    x = 12,539,667.96

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1.5x scale

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.