Home / 13,147,082.40-19,720,623.60-8,817,405.60

Finding the Fourth Proportional to 13,147,082.40, 19,720,623.60 and 8,817,405.60

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Solution

The fourth proportional to 13,147,082.40, 19,720,623.60 and 8,817,405.60 is: 13,226,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,082.40 : 19,720,623.60 = 8,817,405.60 : x
  2. Step 2: Convert to fraction form
    13,147,082.40/19,720,623.60 = 8,817,405.60/x
  3. Step 3: Cross multiply
    13,147,082.40x = 19,720,623.60 × 8,817,405.60
  4. Step 4: Simplify right side
    13,147,082.40x = 173,884,736,966,132.16
  5. Step 5: Solve for x
    x = 173,884,736,966,132.16/13,147,082.40
  6. Step 6: Final answer
    x = 13,226,108.40

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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.