Home / 52,570,642.60-78,855,963.90-18,487,559.80

Finding the Fourth Proportional to 52,570,642.60, 78,855,963.90 and 18,487,559.80

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Solution

The fourth proportional to 52,570,642.60, 78,855,963.90 and 18,487,559.80 is: 27,731,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,570,642.60 : 78,855,963.90 = 18,487,559.80 : x
  2. Step 2: Convert to fraction form
    52,570,642.60/78,855,963.90 = 18,487,559.80/x
  3. Step 3: Cross multiply
    52,570,642.60x = 78,855,963.90 × 18,487,559.80
  4. Step 4: Simplify right side
    52,570,642.60x = 1,457,854,348,187,891.50
  5. Step 5: Solve for x
    x = 1,457,854,348,187,891.50/52,570,642.60
  6. Step 6: Final answer
    x = 27,731,339.70

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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.