Home / 10,478,218.86-14,452,147.54-9,252,361.62

Finding the Fourth Proportional to 10,478,218.86, 14,452,147.54 and 9,252,361.62

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Solution

The fourth proportional to 10,478,218.86, 14,452,147.54 and 9,252,361.62 is: 12,761,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,218.86 : 14,452,147.54 = 9,252,361.62 : x
  2. Step 2: Convert to fraction form
    10,478,218.86/14,452,147.54 = 9,252,361.62/x
  3. Step 3: Cross multiply
    10,478,218.86x = 14,452,147.54 × 9,252,361.62
  4. Step 4: Simplify right side
    10,478,218.86x = 133,716,495,225,673.39
  5. Step 5: Solve for x
    x = 133,716,495,225,673.39/10,478,218.86
  6. Step 6: Final answer
    x = 12,761,376.43

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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.