Home / 13,604,580-18,774,320.40-7,493,008.50

Finding the Fourth Proportional to 13,604,580, 18,774,320.40 and 7,493,008.50

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Solution

The fourth proportional to 13,604,580, 18,774,320.40 and 7,493,008.50 is: 10,340,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604,580 : 18,774,320.40 = 7,493,008.50 : x
  2. Step 2: Convert to fraction form
    13,604,580/18,774,320.40 = 7,493,008.50/x
  3. Step 3: Cross multiply
    13,604,580x = 18,774,320.40 × 7,493,008.50
  4. Step 4: Simplify right side
    13,604,580x = 140,676,142,338,923.39
  5. Step 5: Solve for x
    x = 140,676,142,338,923.39/13,604,580
  6. Step 6: Final answer
    x = 10,340,351.73

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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.