Home / 15,033,495.48-20,746,280.16-8,157,978.96

Finding the Fourth Proportional to 15,033,495.48, 20,746,280.16 and 8,157,978.96

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Solution

The fourth proportional to 15,033,495.48, 20,746,280.16 and 8,157,978.96 is: 11,258,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033,495.48 : 20,746,280.16 = 8,157,978.96 : x
  2. Step 2: Convert to fraction form
    15,033,495.48/20,746,280.16 = 8,157,978.96/x
  3. Step 3: Cross multiply
    15,033,495.48x = 20,746,280.16 × 8,157,978.96
  4. Step 4: Simplify right side
    15,033,495.48x = 169,247,717,043,545.44
  5. Step 5: Solve for x
    x = 169,247,717,043,545.44/15,033,495.48
  6. Step 6: Final answer
    x = 11,258,041.57

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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.