Home / 28,939,066.60-39,934,445.28-17,178,837.64

Finding the Fourth Proportional to 28,939,066.60, 39,934,445.28 and 17,178,837.64

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Solution

The fourth proportional to 28,939,066.60, 39,934,445.28 and 17,178,837.64 is: 23,705,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,939,066.60 : 39,934,445.28 = 17,178,837.64 : x
  2. Step 2: Convert to fraction form
    28,939,066.60/39,934,445.28 = 17,178,837.64/x
  3. Step 3: Cross multiply
    28,939,066.60x = 39,934,445.28 × 17,178,837.64
  4. Step 4: Simplify right side
    28,939,066.60x = 686,027,351,708,584.38
  5. Step 5: Solve for x
    x = 686,027,351,708,584.38/28,939,066.60
  6. Step 6: Final answer
    x = 23,705,925.32

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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.