Home / 13,653,707.80-18,842,688.90-7,852,493.50

Finding the Fourth Proportional to 13,653,707.80, 18,842,688.90 and 7,852,493.50

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Solution

The fourth proportional to 13,653,707.80, 18,842,688.90 and 7,852,493.50 is: 10,836,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653,707.80 : 18,842,688.90 = 7,852,493.50 : x
  2. Step 2: Convert to fraction form
    13,653,707.80/18,842,688.90 = 7,852,493.50/x
  3. Step 3: Cross multiply
    13,653,707.80x = 18,842,688.90 × 7,852,493.50
  4. Step 4: Simplify right side
    13,653,707.80x = 147,962,092,109,772.12
  5. Step 5: Solve for x
    x = 147,962,092,109,772.12/13,653,707.80
  6. Step 6: Final answer
    x = 10,836,770.08

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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.