Home / 30,607,329.40-42,237,600.78-16,857,572.92

Finding the Fourth Proportional to 30,607,329.40, 42,237,600.78 and 16,857,572.92

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Solution

The fourth proportional to 30,607,329.40, 42,237,600.78 and 16,857,572.92 is: 23,263,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607,329.40 : 42,237,600.78 = 16,857,572.92 : x
  2. Step 2: Convert to fraction form
    30,607,329.40/42,237,600.78 = 16,857,572.92/x
  3. Step 3: Cross multiply
    30,607,329.40x = 42,237,600.78 × 16,857,572.92
  4. Step 4: Simplify right side
    30,607,329.40x = 712,023,435,114,699
  5. Step 5: Solve for x
    x = 712,023,435,114,699/30,607,329.40
  6. Step 6: Final answer
    x = 23,263,167.65

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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.