Home / 22,572,179.16-31,151,528.39-12,784,364.55

Finding the Fourth Proportional to 22,572,179.16, 31,151,528.39 and 12,784,364.55

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Solution

The fourth proportional to 22,572,179.16, 31,151,528.39 and 12,784,364.55 is: 17,643,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572,179.16 : 31,151,528.39 = 12,784,364.55 : x
  2. Step 2: Convert to fraction form
    22,572,179.16/31,151,528.39 = 12,784,364.55/x
  3. Step 3: Cross multiply
    22,572,179.16x = 31,151,528.39 × 12,784,364.55
  4. Step 4: Simplify right side
    22,572,179.16x = 398,252,495,163,512.81
  5. Step 5: Solve for x
    x = 398,252,495,163,512.81/22,572,179.16
  6. Step 6: Final answer
    x = 17,643,511.17

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1.5x scale

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.