Home / 11,117,781.37-16,679,547.05-6,510,658.72

Finding the Fourth Proportional to 11,117,781.37, 16,679,547.05 and 6,510,658.72

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Solution

The fourth proportional to 11,117,781.37, 16,679,547.05 and 6,510,658.72 is: 9,767,671.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117,781.37 : 16,679,547.05 = 6,510,658.72 : x
  2. Step 2: Convert to fraction form
    11,117,781.37/16,679,547.05 = 6,510,658.72/x
  3. Step 3: Cross multiply
    11,117,781.37x = 16,679,547.05 × 6,510,658.72
  4. Step 4: Simplify right side
    11,117,781.37x = 108,594,838,446,732.78
  5. Step 5: Solve for x
    x = 108,594,838,446,732.78/11,117,781.37
  6. Step 6: Final answer
    x = 9,767,671.70

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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.