Home / 42,043,708.80-63,065,563.20-11,338,228.80

Finding the Fourth Proportional to 42,043,708.80, 63,065,563.20 and 11,338,228.80

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Solution

The fourth proportional to 42,043,708.80, 63,065,563.20 and 11,338,228.80 is: 17,007,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,043,708.80 : 63,065,563.20 = 11,338,228.80 : x
  2. Step 2: Convert to fraction form
    42,043,708.80/63,065,563.20 = 11,338,228.80/x
  3. Step 3: Cross multiply
    42,043,708.80x = 63,065,563.20 × 11,338,228.80
  4. Step 4: Simplify right side
    42,043,708.80x = 715,051,784,962,460.25
  5. Step 5: Solve for x
    x = 715,051,784,962,460.25/42,043,708.80
  6. Step 6: Final answer
    x = 17,007,343.20

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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.