Home / 10,636,447.40-15,936,008.70-8,732,882.60

Finding the Fourth Proportional to 10,636,447.40, 15,936,008.70 and 8,732,882.60

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Solution

The fourth proportional to 10,636,447.40, 15,936,008.70 and 8,732,882.60 is: 13,084,001.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636,447.40 : 15,936,008.70 = 8,732,882.60 : x
  2. Step 2: Convert to fraction form
    10,636,447.40/15,936,008.70 = 8,732,882.60/x
  3. Step 3: Cross multiply
    10,636,447.40x = 15,936,008.70 × 8,732,882.60
  4. Step 4: Simplify right side
    10,636,447.40x = 139,167,293,089,678.61
  5. Step 5: Solve for x
    x = 139,167,293,089,678.61/10,636,447.40
  6. Step 6: Final answer
    x = 13,084,001.44

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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.