Home / 15,612,682.40-21,547,756.42-8,996,004.16

Finding the Fourth Proportional to 15,612,682.40, 21,547,756.42 and 8,996,004.16

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Solution

The fourth proportional to 15,612,682.40, 21,547,756.42 and 8,996,004.16 is: 12,415,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612,682.40 : 21,547,756.42 = 8,996,004.16 : x
  2. Step 2: Convert to fraction form
    15,612,682.40/21,547,756.42 = 8,996,004.16/x
  3. Step 3: Cross multiply
    15,612,682.40x = 21,547,756.42 × 8,996,004.16
  4. Step 4: Simplify right side
    15,612,682.40x = 193,843,706,392,986.72
  5. Step 5: Solve for x
    x = 193,843,706,392,986.72/15,612,682.40
  6. Step 6: Final answer
    x = 12,415,784.90

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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.