Home / 15,386,416.86-21,232,993.14-8,510,893.32

Finding the Fourth Proportional to 15,386,416.86, 21,232,993.14 and 8,510,893.32

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Solution

The fourth proportional to 15,386,416.86, 21,232,993.14 and 8,510,893.32 is: 11,744,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386,416.86 : 21,232,993.14 = 8,510,893.32 : x
  2. Step 2: Convert to fraction form
    15,386,416.86/21,232,993.14 = 8,510,893.32/x
  3. Step 3: Cross multiply
    15,386,416.86x = 21,232,993.14 × 8,510,893.32
  4. Step 4: Simplify right side
    15,386,416.86x = 180,711,739,478,831.84
  5. Step 5: Solve for x
    x = 180,711,739,478,831.84/15,386,416.86
  6. Step 6: Final answer
    x = 11,744,887.79

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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.