Home / 15,636,671.70-21,578,592.51-8,761,203

Finding the Fourth Proportional to 15,636,671.70, 21,578,592.51 and 8,761,203

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Solution

The fourth proportional to 15,636,671.70, 21,578,592.51 and 8,761,203 is: 12,090,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,636,671.70 : 21,578,592.51 = 8,761,203 : x
  2. Step 2: Convert to fraction form
    15,636,671.70/21,578,592.51 = 8,761,203/x
  3. Step 3: Cross multiply
    15,636,671.70x = 21,578,592.51 × 8,761,203
  4. Step 4: Simplify right side
    15,636,671.70x = 189,054,429,434,389.53
  5. Step 5: Solve for x
    x = 189,054,429,434,389.53/15,636,671.70
  6. Step 6: Final answer
    x = 12,090,452.05

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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.