Home / 14,310,921.28-19,748,964-8,117,147.20

Finding the Fourth Proportional to 14,310,921.28, 19,748,964 and 8,117,147.20

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Solution

The fourth proportional to 14,310,921.28, 19,748,964 and 8,117,147.20 is: 11,201,602.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310,921.28 : 19,748,964 = 8,117,147.20 : x
  2. Step 2: Convert to fraction form
    14,310,921.28/19,748,964 = 8,117,147.20/x
  3. Step 3: Cross multiply
    14,310,921.28x = 19,748,964 × 8,117,147.20
  4. Step 4: Simplify right side
    14,310,921.28x = 160,305,247,835,500.81
  5. Step 5: Solve for x
    x = 160,305,247,835,500.81/14,310,921.28
  6. Step 6: Final answer
    x = 11,201,602.24

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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.