Home / 31,838,390.14-47,708,871.63-21,425,045.32

Finding the Fourth Proportional to 31,838,390.14, 47,708,871.63 and 21,425,045.32

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Solution

The fourth proportional to 31,838,390.14, 47,708,871.63 and 21,425,045.32 is: 32,104,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,390.14 : 47,708,871.63 = 21,425,045.32 : x
  2. Step 2: Convert to fraction form
    31,838,390.14/47,708,871.63 = 21,425,045.32/x
  3. Step 3: Cross multiply
    31,838,390.14x = 47,708,871.63 × 21,425,045.32
  4. Step 4: Simplify right side
    31,838,390.14x = 1,022,164,736,838,812.38
  5. Step 5: Solve for x
    x = 1,022,164,736,838,812.38/31,838,390.14
  6. Step 6: Final answer
    x = 32,104,787.09

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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.