Home / 10,778,148.40-16,167,222.60-10,140,419.20

Finding the Fourth Proportional to 10,778,148.40, 16,167,222.60 and 10,140,419.20

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Solution

The fourth proportional to 10,778,148.40, 16,167,222.60 and 10,140,419.20 is: 15,210,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,148.40 : 16,167,222.60 = 10,140,419.20 : x
  2. Step 2: Convert to fraction form
    10,778,148.40/16,167,222.60 = 10,140,419.20/x
  3. Step 3: Cross multiply
    10,778,148.40x = 16,167,222.60 × 10,140,419.20
  4. Step 4: Simplify right side
    10,778,148.40x = 163,942,414,463,713.91
  5. Step 5: Solve for x
    x = 163,942,414,463,713.91/10,778,148.40
  6. Step 6: Final answer
    x = 15,210,628.80

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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.