Home / 10,637,567.70-15,932,731.95-8,747,999.70

Finding the Fourth Proportional to 10,637,567.70, 15,932,731.95 and 8,747,999.70

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Solution

The fourth proportional to 10,637,567.70, 15,932,731.95 and 8,747,999.70 is: 13,102,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637,567.70 : 15,932,731.95 = 8,747,999.70 : x
  2. Step 2: Convert to fraction form
    10,637,567.70/15,932,731.95 = 8,747,999.70/x
  3. Step 3: Cross multiply
    10,637,567.70x = 15,932,731.95 × 8,747,999.70
  4. Step 4: Simplify right side
    10,637,567.70x = 139,379,534,318,780.39
  5. Step 5: Solve for x
    x = 139,379,534,318,780.39/10,637,567.70
  6. Step 6: Final answer
    x = 13,102,575.54

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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.