Home / 10,864,809.90-16,297,214.85-9,111,054.60

Finding the Fourth Proportional to 10,864,809.90, 16,297,214.85 and 9,111,054.60

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Solution

The fourth proportional to 10,864,809.90, 16,297,214.85 and 9,111,054.60 is: 13,666,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864,809.90 : 16,297,214.85 = 9,111,054.60 : x
  2. Step 2: Convert to fraction form
    10,864,809.90/16,297,214.85 = 9,111,054.60/x
  3. Step 3: Cross multiply
    10,864,809.90x = 16,297,214.85 × 9,111,054.60
  4. Step 4: Simplify right side
    10,864,809.90x = 148,484,814,326,280.81
  5. Step 5: Solve for x
    x = 148,484,814,326,280.81/10,864,809.90
  6. Step 6: Final answer
    x = 13,666,581.90

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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.