Home / 15,406,772.92-21,261,314.18-8,880,358.36

Finding the Fourth Proportional to 15,406,772.92, 21,261,314.18 and 8,880,358.36

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Solution

The fourth proportional to 15,406,772.92, 21,261,314.18 and 8,880,358.36 is: 12,254,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,772.92 : 21,261,314.18 = 8,880,358.36 : x
  2. Step 2: Convert to fraction form
    15,406,772.92/21,261,314.18 = 8,880,358.36/x
  3. Step 3: Cross multiply
    15,406,772.92x = 21,261,314.18 × 8,880,358.36
  4. Step 4: Simplify right side
    15,406,772.92x = 188,808,089,122,949.53
  5. Step 5: Solve for x
    x = 188,808,089,122,949.53/15,406,772.92
  6. Step 6: Final answer
    x = 12,254,875.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.