Home / 8,718,389.40-13,071,679.20-4,455,051.60

Finding the Fourth Proportional to 8,718,389.40, 13,071,679.20 and 4,455,051.60

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Solution

The fourth proportional to 8,718,389.40, 13,071,679.20 and 4,455,051.60 is: 6,679,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718,389.40 : 13,071,679.20 = 4,455,051.60 : x
  2. Step 2: Convert to fraction form
    8,718,389.40/13,071,679.20 = 4,455,051.60/x
  3. Step 3: Cross multiply
    8,718,389.40x = 13,071,679.20 × 4,455,051.60
  4. Step 4: Simplify right side
    8,718,389.40x = 58,235,005,334,646.71
  5. Step 5: Solve for x
    x = 58,235,005,334,646.71/8,718,389.40
  6. Step 6: Final answer
    x = 6,679,560.03

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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.