Home / 13,352,230.80-18,426,083.40-7,240,657.68

Finding the Fourth Proportional to 13,352,230.80, 18,426,083.40 and 7,240,657.68

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Solution

The fourth proportional to 13,352,230.80, 18,426,083.40 and 7,240,657.68 is: 9,992,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352,230.80 : 18,426,083.40 = 7,240,657.68 : x
  2. Step 2: Convert to fraction form
    13,352,230.80/18,426,083.40 = 7,240,657.68/x
  3. Step 3: Cross multiply
    13,352,230.80x = 18,426,083.40 × 7,240,657.68
  4. Step 4: Simplify right side
    13,352,230.80x = 133,416,962,282,530.50
  5. Step 5: Solve for x
    x = 133,416,962,282,530.50/13,352,230.80
  6. Step 6: Final answer
    x = 9,992,110.25

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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.