Home / 19,156,904.49-28,734,326.49-9,431,822.45

Finding the Fourth Proportional to 19,156,904.49, 28,734,326.49 and 9,431,822.45

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Solution

The fourth proportional to 19,156,904.49, 28,734,326.49 and 9,431,822.45 is: 14,147,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,156,904.49 : 28,734,326.49 = 9,431,822.45 : x
  2. Step 2: Convert to fraction form
    19,156,904.49/28,734,326.49 = 9,431,822.45/x
  3. Step 3: Cross multiply
    19,156,904.49x = 28,734,326.49 × 9,431,822.45
  4. Step 4: Simplify right side
    19,156,904.49x = 271,017,065,674,011.66
  5. Step 5: Solve for x
    x = 271,017,065,674,011.66/19,156,904.49
  6. Step 6: Final answer
    x = 14,147,226.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.