Home / 21,453,856.20-32,180,784.32-17,202,328.20

Finding the Fourth Proportional to 21,453,856.20, 32,180,784.32 and 17,202,328.20

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Solution

The fourth proportional to 21,453,856.20, 32,180,784.32 and 17,202,328.20 is: 25,803,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453,856.20 : 32,180,784.32 = 17,202,328.20 : x
  2. Step 2: Convert to fraction form
    21,453,856.20/32,180,784.32 = 17,202,328.20/x
  3. Step 3: Cross multiply
    21,453,856.20x = 32,180,784.32 × 17,202,328.20
  4. Step 4: Simplify right side
    21,453,856.20x = 553,584,413,606,053.81
  5. Step 5: Solve for x
    x = 553,584,413,606,053.81/21,453,856.20
  6. Step 6: Final answer
    x = 25,803,492.32

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Double scale
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1.5x scale

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.