Home / 47,798,085.54-71,697,018.90-20,486,669.16

Finding the Fourth Proportional to 47,798,085.54, 71,697,018.90 and 20,486,669.16

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Solution

The fourth proportional to 47,798,085.54, 71,697,018.90 and 20,486,669.16 is: 30,729,956.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798,085.54 : 71,697,018.90 = 20,486,669.16 : x
  2. Step 2: Convert to fraction form
    47,798,085.54/71,697,018.90 = 20,486,669.16/x
  3. Step 3: Cross multiply
    47,798,085.54x = 71,697,018.90 × 20,486,669.16
  4. Step 4: Simplify right side
    47,798,085.54x = 1,468,833,105,962,567.25
  5. Step 5: Solve for x
    x = 1,468,833,105,962,567.25/47,798,085.54
  6. Step 6: Final answer
    x = 30,729,956.85

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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.