Home / 18,477,808.61-25,499,540.98-10,218,426.53

Finding the Fourth Proportional to 18,477,808.61, 25,499,540.98 and 10,218,426.53

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Solution

The fourth proportional to 18,477,808.61, 25,499,540.98 and 10,218,426.53 is: 14,101,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,808.61 : 25,499,540.98 = 10,218,426.53 : x
  2. Step 2: Convert to fraction form
    18,477,808.61/25,499,540.98 = 10,218,426.53/x
  3. Step 3: Cross multiply
    18,477,808.61x = 25,499,540.98 × 10,218,426.53
  4. Step 4: Simplify right side
    18,477,808.61x = 260,565,185,938,129.53
  5. Step 5: Solve for x
    x = 260,565,185,938,129.53/18,477,808.61
  6. Step 6: Final answer
    x = 14,101,519.91

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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.