Home / 25,877,629.60-38,748,015.60-20,736,138.40

Finding the Fourth Proportional to 25,877,629.60, 38,748,015.60 and 20,736,138.40

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Solution

The fourth proportional to 25,877,629.60, 38,748,015.60 and 20,736,138.40 is: 31,049,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,877,629.60 : 38,748,015.60 = 20,736,138.40 : x
  2. Step 2: Convert to fraction form
    25,877,629.60/38,748,015.60 = 20,736,138.40/x
  3. Step 3: Cross multiply
    25,877,629.60x = 38,748,015.60 × 20,736,138.40
  4. Step 4: Simplify right side
    25,877,629.60x = 803,484,214,206,959
  5. Step 5: Solve for x
    x = 803,484,214,206,959/25,877,629.60
  6. Step 6: Final answer
    x = 31,049,374.56

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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.