Home / 13,757,875.20-20,636,812.80-8,974,906.20

Finding the Fourth Proportional to 13,757,875.20, 20,636,812.80 and 8,974,906.20

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Solution

The fourth proportional to 13,757,875.20, 20,636,812.80 and 8,974,906.20 is: 13,462,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,757,875.20 : 20,636,812.80 = 8,974,906.20 : x
  2. Step 2: Convert to fraction form
    13,757,875.20/20,636,812.80 = 8,974,906.20/x
  3. Step 3: Cross multiply
    13,757,875.20x = 20,636,812.80 × 8,974,906.20
  4. Step 4: Simplify right side
    13,757,875.20x = 185,213,459,146,959.34
  5. Step 5: Solve for x
    x = 185,213,459,146,959.34/13,757,875.20
  6. Step 6: Final answer
    x = 13,462,359.30

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1.5x scale

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.