Home / 15,313,611.32-21,132,612.14-8,698,153.40

Finding the Fourth Proportional to 15,313,611.32, 21,132,612.14 and 8,698,153.40

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Solution

The fourth proportional to 15,313,611.32, 21,132,612.14 and 8,698,153.40 is: 12,003,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,313,611.32 : 21,132,612.14 = 8,698,153.40 : x
  2. Step 2: Convert to fraction form
    15,313,611.32/21,132,612.14 = 8,698,153.40/x
  3. Step 3: Cross multiply
    15,313,611.32x = 21,132,612.14 × 8,698,153.40
  4. Step 4: Simplify right side
    15,313,611.32x = 183,814,702,136,422.28
  5. Step 5: Solve for x
    x = 183,814,702,136,422.28/15,313,611.32
  6. Step 6: Final answer
    x = 12,003,354.29

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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.