Home / 22,931,081.21-31,643,943.30-12,477,140.57

Finding the Fourth Proportional to 22,931,081.21, 31,643,943.30 and 12,477,140.57

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Solution

The fourth proportional to 22,931,081.21, 31,643,943.30 and 12,477,140.57 is: 17,217,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,931,081.21 : 31,643,943.30 = 12,477,140.57 : x
  2. Step 2: Convert to fraction form
    22,931,081.21/31,643,943.30 = 12,477,140.57/x
  3. Step 3: Cross multiply
    22,931,081.21x = 31,643,943.30 × 12,477,140.57
  4. Step 4: Simplify right side
    22,931,081.21x = 394,825,928,822,319.56
  5. Step 5: Solve for x
    x = 394,825,928,822,319.56/22,931,081.21
  6. Step 6: Final answer
    x = 17,217,937.75

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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.