Home / 8,736,601.40-13,104,902.10-7,812,812.60

Finding the Fourth Proportional to 8,736,601.40, 13,104,902.10 and 7,812,812.60

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Solution

The fourth proportional to 8,736,601.40, 13,104,902.10 and 7,812,812.60 is: 11,719,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736,601.40 : 13,104,902.10 = 7,812,812.60 : x
  2. Step 2: Convert to fraction form
    8,736,601.40/13,104,902.10 = 7,812,812.60/x
  3. Step 3: Cross multiply
    8,736,601.40x = 13,104,902.10 × 7,812,812.60
  4. Step 4: Simplify right side
    8,736,601.40x = 102,386,144,248,646.45
  5. Step 5: Solve for x
    x = 102,386,144,248,646.45/8,736,601.40
  6. Step 6: Final answer
    x = 11,719,218.90

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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.