Home / 9,523,698.30-13,142,800.08-5,172,869.55

Finding the Fourth Proportional to 9,523,698.30, 13,142,800.08 and 5,172,869.55

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Solution

The fourth proportional to 9,523,698.30, 13,142,800.08 and 5,172,869.55 is: 7,138,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523,698.30 : 13,142,800.08 = 5,172,869.55 : x
  2. Step 2: Convert to fraction form
    9,523,698.30/13,142,800.08 = 5,172,869.55/x
  3. Step 3: Cross multiply
    9,523,698.30x = 13,142,800.08 × 5,172,869.55
  4. Step 4: Simplify right side
    9,523,698.30x = 67,985,990,335,569.56
  5. Step 5: Solve for x
    x = 67,985,990,335,569.56/9,523,698.30
  6. Step 6: Final answer
    x = 7,138,612.35

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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.