Home / 18,723,978.40-26,248,959.20-18,723,978.40

Finding the Fourth Proportional to 18,723,978.40, 26,248,959.20 and 18,723,978.40

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Solution

The fourth proportional to 18,723,978.40, 26,248,959.20 and 18,723,978.40 is: 26,248,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,978.40 : 26,248,959.20 = 18,723,978.40 : x
  2. Step 2: Convert to fraction form
    18,723,978.40/26,248,959.20 = 18,723,978.40/x
  3. Step 3: Cross multiply
    18,723,978.40x = 26,248,959.20 × 18,723,978.40
  4. Step 4: Simplify right side
    18,723,978.40x = 491,484,945,083,281.25
  5. Step 5: Solve for x
    x = 491,484,945,083,281.25/18,723,978.40
  6. Step 6: Final answer
    x = 26,248,959.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.