Home / 30,688,301.56-42,349,647.52-16,937,265.28

Finding the Fourth Proportional to 30,688,301.56, 42,349,647.52 and 16,937,265.28

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Solution

The fourth proportional to 30,688,301.56, 42,349,647.52 and 16,937,265.28 is: 23,373,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,688,301.56 : 42,349,647.52 = 16,937,265.28 : x
  2. Step 2: Convert to fraction form
    30,688,301.56/42,349,647.52 = 16,937,265.28/x
  3. Step 3: Cross multiply
    30,688,301.56x = 42,349,647.52 × 16,937,265.28
  4. Step 4: Simplify right side
    30,688,301.56x = 717,287,214,560,734.25
  5. Step 5: Solve for x
    x = 717,287,214,560,734.25/30,688,301.56
  6. Step 6: Final answer
    x = 23,373,310.94

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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.