Home / 5,460,428.40-8,190,642.60-5,354,140.20

Finding the Fourth Proportional to 5,460,428.40, 8,190,642.60 and 5,354,140.20

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Solution

The fourth proportional to 5,460,428.40, 8,190,642.60 and 5,354,140.20 is: 8,031,210.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460,428.40 : 8,190,642.60 = 5,354,140.20 : x
  2. Step 2: Convert to fraction form
    5,460,428.40/8,190,642.60 = 5,354,140.20/x
  3. Step 3: Cross multiply
    5,460,428.40x = 8,190,642.60 × 5,354,140.20
  4. Step 4: Simplify right side
    5,460,428.40x = 43,853,848,808,492.52
  5. Step 5: Solve for x
    x = 43,853,848,808,492.52/5,460,428.40
  6. Step 6: Final answer
    x = 8,031,210.30

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1.5x scale

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.