Home / 8,385,411.05-12,565,286.70-5,642,801.76

Finding the Fourth Proportional to 8,385,411.05, 12,565,286.70 and 5,642,801.76

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Solution

The fourth proportional to 8,385,411.05, 12,565,286.70 and 5,642,801.76 is: 8,455,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,411.05 : 12,565,286.70 = 5,642,801.76 : x
  2. Step 2: Convert to fraction form
    8,385,411.05/12,565,286.70 = 5,642,801.76/x
  3. Step 3: Cross multiply
    8,385,411.05x = 12,565,286.70 × 5,642,801.76
  4. Step 4: Simplify right side
    8,385,411.05x = 70,903,421,905,664.58
  5. Step 5: Solve for x
    x = 70,903,421,905,664.58/8,385,411.05
  6. Step 6: Final answer
    x = 8,455,569.03

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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.