Home / 9,119,457.05-12,583,607.87-5,447,594.20

Finding the Fourth Proportional to 9,119,457.05, 12,583,607.87 and 5,447,594.20

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Solution

The fourth proportional to 9,119,457.05, 12,583,607.87 and 5,447,594.20 is: 7,516,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119,457.05 : 12,583,607.87 = 5,447,594.20 : x
  2. Step 2: Convert to fraction form
    9,119,457.05/12,583,607.87 = 5,447,594.20/x
  3. Step 3: Cross multiply
    9,119,457.05x = 12,583,607.87 × 5,447,594.20
  4. Step 4: Simplify right side
    9,119,457.05x = 68,550,389,245,781.27
  5. Step 5: Solve for x
    x = 68,550,389,245,781.27/9,119,457.05
  6. Step 6: Final answer
    x = 7,516,937.56

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1.5x scale

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.