Home / 13,772,432.34-19,006,251.05-7,577,496.88

Finding the Fourth Proportional to 13,772,432.34, 19,006,251.05 and 7,577,496.88

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Solution

The fourth proportional to 13,772,432.34, 19,006,251.05 and 7,577,496.88 is: 10,457,107.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,432.34 : 19,006,251.05 = 7,577,496.88 : x
  2. Step 2: Convert to fraction form
    13,772,432.34/19,006,251.05 = 7,577,496.88/x
  3. Step 3: Cross multiply
    13,772,432.34x = 19,006,251.05 × 7,577,496.88
  4. Step 4: Simplify right side
    13,772,432.34x = 144,019,807,976,720.09
  5. Step 5: Solve for x
    x = 144,019,807,976,720.09/13,772,432.34
  6. Step 6: Final answer
    x = 10,457,107.68

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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.