Home / 10,636,443.40-15,936,002.70-8,732,878.60

Finding the Fourth Proportional to 10,636,443.40, 15,936,002.70 and 8,732,878.60

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Solution

The fourth proportional to 10,636,443.40, 15,936,002.70 and 8,732,878.60 is: 13,083,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636,443.40 : 15,936,002.70 = 8,732,878.60 : x
  2. Step 2: Convert to fraction form
    10,636,443.40/15,936,002.70 = 8,732,878.60/x
  3. Step 3: Cross multiply
    10,636,443.40x = 15,936,002.70 × 8,732,878.60
  4. Step 4: Simplify right side
    10,636,443.40x = 139,167,176,948,372.20
  5. Step 5: Solve for x
    x = 139,167,176,948,372.20/10,636,443.40
  6. Step 6: Final answer
    x = 13,083,995.44

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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.