Home / 9,523,715.16-13,142,823.32-5,172,886.40

Finding the Fourth Proportional to 9,523,715.16, 13,142,823.32 and 5,172,886.40

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Solution

The fourth proportional to 9,523,715.16, 13,142,823.32 and 5,172,886.40 is: 7,138,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523,715.16 : 13,142,823.32 = 5,172,886.40 : x
  2. Step 2: Convert to fraction form
    9,523,715.16/13,142,823.32 = 5,172,886.40/x
  3. Step 3: Cross multiply
    9,523,715.16x = 13,142,823.32 × 5,172,886.40
  4. Step 4: Simplify right side
    9,523,715.16x = 67,986,332,009,630.85
  5. Step 5: Solve for x
    x = 67,986,332,009,630.85/9,523,715.16
  6. Step 6: Final answer
    x = 7,138,635.59

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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.