Home / 8,761,812.60-13,142,718.90-3,081,298.80

Finding the Fourth Proportional to 8,761,812.60, 13,142,718.90 and 3,081,298.80

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Solution

The fourth proportional to 8,761,812.60, 13,142,718.90 and 3,081,298.80 is: 4,621,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761,812.60 : 13,142,718.90 = 3,081,298.80 : x
  2. Step 2: Convert to fraction form
    8,761,812.60/13,142,718.90 = 3,081,298.80/x
  3. Step 3: Cross multiply
    8,761,812.60x = 13,142,718.90 × 3,081,298.80
  4. Step 4: Simplify right side
    8,761,812.60x = 40,496,643,975,307.32
  5. Step 5: Solve for x
    x = 40,496,643,975,307.32/8,761,812.60
  6. Step 6: Final answer
    x = 4,621,948.20

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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.