Home / 31,479,326.64-47,226,461.40-9,913,873.68

Finding the Fourth Proportional to 31,479,326.64, 47,226,461.40 and 9,913,873.68

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Solution

The fourth proportional to 31,479,326.64, 47,226,461.40 and 9,913,873.68 is: 14,873,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479,326.64 : 47,226,461.40 = 9,913,873.68 : x
  2. Step 2: Convert to fraction form
    31,479,326.64/47,226,461.40 = 9,913,873.68/x
  3. Step 3: Cross multiply
    31,479,326.64x = 47,226,461.40 × 9,913,873.68
  4. Step 4: Simplify right side
    31,479,326.64x = 468,197,172,672,995.94
  5. Step 5: Solve for x
    x = 468,197,172,672,995.94/31,479,326.64
  6. Step 6: Final answer
    x = 14,873,163.52

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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.