Home / 10,778,690.80-16,144,416.60-9,581,964.40

Finding the Fourth Proportional to 10,778,690.80, 16,144,416.60 and 9,581,964.40

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Solution

The fourth proportional to 10,778,690.80, 16,144,416.60 and 9,581,964.40 is: 14,351,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,690.80 : 16,144,416.60 = 9,581,964.40 : x
  2. Step 2: Convert to fraction form
    10,778,690.80/16,144,416.60 = 9,581,964.40/x
  3. Step 3: Cross multiply
    10,778,690.80x = 16,144,416.60 × 9,581,964.40
  4. Step 4: Simplify right side
    10,778,690.80x = 154,695,225,119,969.03
  5. Step 5: Solve for x
    x = 154,695,225,119,969.03/10,778,690.80
  6. Step 6: Final answer
    x = 14,351,949.41

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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.