Home / 14,919,486.34-20,581,354.73-8,720,483.10

Finding the Fourth Proportional to 14,919,486.34, 20,581,354.73 and 8,720,483.10

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Solution

The fourth proportional to 14,919,486.34, 20,581,354.73 and 8,720,483.10 is: 12,029,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,486.34 : 20,581,354.73 = 8,720,483.10 : x
  2. Step 2: Convert to fraction form
    14,919,486.34/20,581,354.73 = 8,720,483.10/x
  3. Step 3: Cross multiply
    14,919,486.34x = 20,581,354.73 × 8,720,483.10
  4. Step 4: Simplify right side
    14,919,486.34x = 179,479,356,119,871.28
  5. Step 5: Solve for x
    x = 179,479,356,119,871.28/14,919,486.34
  6. Step 6: Final answer
    x = 12,029,861.62

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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.