Home / 12,404,176.25-17,117,777.45-6,897,432.88

Finding the Fourth Proportional to 12,404,176.25, 17,117,777.45 and 6,897,432.88

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Solution

The fourth proportional to 12,404,176.25, 17,117,777.45 and 6,897,432.88 is: 9,518,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404,176.25 : 17,117,777.45 = 6,897,432.88 : x
  2. Step 2: Convert to fraction form
    12,404,176.25/17,117,777.45 = 6,897,432.88/x
  3. Step 3: Cross multiply
    12,404,176.25x = 17,117,777.45 × 6,897,432.88
  4. Step 4: Simplify right side
    12,404,176.25x = 118,068,721,016,152.55
  5. Step 5: Solve for x
    x = 118,068,721,016,152.55/12,404,176.25
  6. Step 6: Final answer
    x = 9,518,465.28

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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.