Home / 9,528,457.64-13,149,354.60-5,177,543.92

Finding the Fourth Proportional to 9,528,457.64, 13,149,354.60 and 5,177,543.92

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Solution

The fourth proportional to 9,528,457.64, 13,149,354.60 and 5,177,543.92 is: 7,145,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528,457.64 : 13,149,354.60 = 5,177,543.92 : x
  2. Step 2: Convert to fraction form
    9,528,457.64/13,149,354.60 = 5,177,543.92/x
  3. Step 3: Cross multiply
    9,528,457.64x = 13,149,354.60 × 5,177,543.92
  4. Step 4: Simplify right side
    9,528,457.64x = 68,081,360,961,154.03
  5. Step 5: Solve for x
    x = 68,081,360,961,154.03/9,528,457.64
  6. Step 6: Final answer
    x = 7,145,055.74

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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.