Home / 30,607,318.80-42,236,481-17,553,903.12

Finding the Fourth Proportional to 30,607,318.80, 42,236,481 and 17,553,903.12

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Solution

The fourth proportional to 30,607,318.80, 42,236,481 and 17,553,903.12 is: 24,223,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607,318.80 : 42,236,481 = 17,553,903.12 : x
  2. Step 2: Convert to fraction form
    30,607,318.80/42,236,481 = 17,553,903.12/x
  3. Step 3: Cross multiply
    30,607,318.80x = 42,236,481 × 17,553,903.12
  4. Step 4: Simplify right side
    30,607,318.80x = 741,415,095,603,720.75
  5. Step 5: Solve for x
    x = 741,415,095,603,720.75/30,607,318.80
  6. Step 6: Final answer
    x = 24,223,457.81

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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.