Home / 10,656,603.60-15,984,905.40-3,924,142.80

Finding the Fourth Proportional to 10,656,603.60, 15,984,905.40 and 3,924,142.80

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Solution

The fourth proportional to 10,656,603.60, 15,984,905.40 and 3,924,142.80 is: 5,886,214.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656,603.60 : 15,984,905.40 = 3,924,142.80 : x
  2. Step 2: Convert to fraction form
    10,656,603.60/15,984,905.40 = 3,924,142.80/x
  3. Step 3: Cross multiply
    10,656,603.60x = 15,984,905.40 × 3,924,142.80
  4. Step 4: Simplify right side
    10,656,603.60x = 62,727,051,434,091.12
  5. Step 5: Solve for x
    x = 62,727,051,434,091.12/10,656,603.60
  6. Step 6: Final answer
    x = 5,886,214.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.