Home / 8,712,639.20-13,082,955.60-6,585,125.60

Finding the Fourth Proportional to 8,712,639.20, 13,082,955.60 and 6,585,125.60

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Solution

The fourth proportional to 8,712,639.20, 13,082,955.60 and 6,585,125.60 is: 9,888,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712,639.20 : 13,082,955.60 = 6,585,125.60 : x
  2. Step 2: Convert to fraction form
    8,712,639.20/13,082,955.60 = 6,585,125.60/x
  3. Step 3: Cross multiply
    8,712,639.20x = 13,082,955.60 × 6,585,125.60
  4. Step 4: Simplify right side
    8,712,639.20x = 86,152,905,845,223.36
  5. Step 5: Solve for x
    x = 86,152,905,845,223.36/8,712,639.20
  6. Step 6: Final answer
    x = 9,888,267.36

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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.