Home / 15,033,489.48-20,746,271.88-8,157,972.96

Finding the Fourth Proportional to 15,033,489.48, 20,746,271.88 and 8,157,972.96

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Solution

The fourth proportional to 15,033,489.48, 20,746,271.88 and 8,157,972.96 is: 11,258,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,489.48 : 20,746,271.88 = 8,157,972.96 : x
  2. Step 2: Convert to fraction form
    15,033,489.48/20,746,271.88 = 8,157,972.96/x
  3. Step 3: Cross multiply
    15,033,489.48x = 20,746,271.88 × 8,157,972.96
  4. Step 4: Simplify right side
    15,033,489.48x = 169,247,525,017,848.34
  5. Step 5: Solve for x
    x = 169,247,525,017,848.34/15,033,489.48
  6. Step 6: Final answer
    x = 11,258,033.29

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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.