Home / 15,009,585.86-20,715,450.10-9,503,471.66

Finding the Fourth Proportional to 15,009,585.86, 20,715,450.10 and 9,503,471.66

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Solution

The fourth proportional to 15,009,585.86, 20,715,450.10 and 9,503,471.66 is: 13,116,197.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,009,585.86 : 20,715,450.10 = 9,503,471.66 : x
  2. Step 2: Convert to fraction form
    15,009,585.86/20,715,450.10 = 9,503,471.66/x
  3. Step 3: Cross multiply
    15,009,585.86x = 20,715,450.10 × 9,503,471.66
  4. Step 4: Simplify right side
    15,009,585.86x = 196,868,692,822,158.22
  5. Step 5: Solve for x
    x = 196,868,692,822,158.22/15,009,585.86
  6. Step 6: Final answer
    x = 13,116,197.52

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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.