Home / 9,194,354.71-12,688,209.42-5,329,117.87

Finding the Fourth Proportional to 9,194,354.71, 12,688,209.42 and 5,329,117.87

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Solution

The fourth proportional to 9,194,354.71, 12,688,209.42 and 5,329,117.87 is: 7,354,182.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,194,354.71 : 12,688,209.42 = 5,329,117.87 : x
  2. Step 2: Convert to fraction form
    9,194,354.71/12,688,209.42 = 5,329,117.87/x
  3. Step 3: Cross multiply
    9,194,354.71x = 12,688,209.42 × 5,329,117.87
  4. Step 4: Simplify right side
    9,194,354.71x = 67,616,963,558,424.34
  5. Step 5: Solve for x
    x = 67,616,963,558,424.34/9,194,354.71
  6. Step 6: Final answer
    x = 7,354,182.61

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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.