Home / 40,201,590-60,272,985.75-12,892,337.70

Finding the Fourth Proportional to 40,201,590, 60,272,985.75 and 12,892,337.70

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Solution

The fourth proportional to 40,201,590, 60,272,985.75 and 12,892,337.70 is: 19,329,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,201,590 : 60,272,985.75 = 12,892,337.70 : x
  2. Step 2: Convert to fraction form
    40,201,590/60,272,985.75 = 12,892,337.70/x
  3. Step 3: Cross multiply
    40,201,590x = 60,272,985.75 × 12,892,337.70
  4. Step 4: Simplify right side
    40,201,590x = 777,059,686,476,287.75
  5. Step 5: Solve for x
    x = 777,059,686,476,287.75/40,201,590
  6. Step 6: Final answer
    x = 19,329,078.44

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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.