Home / 31,596,426.99-43,600,009.86-19,831,934.79

Finding the Fourth Proportional to 31,596,426.99, 43,600,009.86 and 19,831,934.79

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Solution

The fourth proportional to 31,596,426.99, 43,600,009.86 and 19,831,934.79 is: 27,366,149.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596,426.99 : 43,600,009.86 = 19,831,934.79 : x
  2. Step 2: Convert to fraction form
    31,596,426.99/43,600,009.86 = 19,831,934.79/x
  3. Step 3: Cross multiply
    31,596,426.99x = 43,600,009.86 × 19,831,934.79
  4. Step 4: Simplify right side
    31,596,426.99x = 864,672,552,386,877
  5. Step 5: Solve for x
    x = 864,672,552,386,877/31,596,426.99
  6. Step 6: Final answer
    x = 27,366,149.74

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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.