Home / 20,238,752.50-30,357,860.77-4,885,959.45

Finding the Fourth Proportional to 20,238,752.50, 30,357,860.77 and 4,885,959.45

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Solution

The fourth proportional to 20,238,752.50, 30,357,860.77 and 4,885,959.45 is: 7,328,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,752.50 : 30,357,860.77 = 4,885,959.45 : x
  2. Step 2: Convert to fraction form
    20,238,752.50/30,357,860.77 = 4,885,959.45/x
  3. Step 3: Cross multiply
    20,238,752.50x = 30,357,860.77 × 4,885,959.45
  4. Step 4: Simplify right side
    20,238,752.50x = 148,327,276,710,965.78
  5. Step 5: Solve for x
    x = 148,327,276,710,965.78/20,238,752.50
  6. Step 6: Final answer
    x = 7,328,874.48

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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.