Home / 31,038,997.02-42,829,934.40-17,986,018.74

Finding the Fourth Proportional to 31,038,997.02, 42,829,934.40 and 17,986,018.74

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Solution

The fourth proportional to 31,038,997.02, 42,829,934.40 and 17,986,018.74 is: 24,818,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038,997.02 : 42,829,934.40 = 17,986,018.74 : x
  2. Step 2: Convert to fraction form
    31,038,997.02/42,829,934.40 = 17,986,018.74/x
  3. Step 3: Cross multiply
    31,038,997.02x = 42,829,934.40 × 17,986,018.74
  4. Step 4: Simplify right side
    31,038,997.02x = 770,340,002,751,370.50
  5. Step 5: Solve for x
    x = 770,340,002,751,370.50/31,038,997.02
  6. Step 6: Final answer
    x = 24,818,456.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.