Home / 13,030,364.46-17,982,011.43-7,229,526.78

Finding the Fourth Proportional to 13,030,364.46, 17,982,011.43 and 7,229,526.78

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Solution

The fourth proportional to 13,030,364.46, 17,982,011.43 and 7,229,526.78 is: 9,976,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030,364.46 : 17,982,011.43 = 7,229,526.78 : x
  2. Step 2: Convert to fraction form
    13,030,364.46/17,982,011.43 = 7,229,526.78/x
  3. Step 3: Cross multiply
    13,030,364.46x = 17,982,011.43 × 7,229,526.78
  4. Step 4: Simplify right side
    13,030,364.46x = 130,001,433,191,451.09
  5. Step 5: Solve for x
    x = 130,001,433,191,451.09/13,030,364.46
  6. Step 6: Final answer
    x = 9,976,807.14

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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.