Home / 13,532,253.04-18,674,765.40-7,420,317.04

Finding the Fourth Proportional to 13,532,253.04, 18,674,765.40 and 7,420,317.04

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Solution

The fourth proportional to 13,532,253.04, 18,674,765.40 and 7,420,317.04 is: 10,240,178.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,532,253.04 : 18,674,765.40 = 7,420,317.04 : x
  2. Step 2: Convert to fraction form
    13,532,253.04/18,674,765.40 = 7,420,317.04/x
  3. Step 3: Cross multiply
    13,532,253.04x = 18,674,765.40 × 7,420,317.04
  4. Step 4: Simplify right side
    13,532,253.04x = 138,572,679,915,622.41
  5. Step 5: Solve for x
    x = 138,572,679,915,622.41/13,532,253.04
  6. Step 6: Final answer
    x = 10,240,178.00

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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.