Home / 19,565,981.60-29,353,119.60-5,918,007.20

Finding the Fourth Proportional to 19,565,981.60, 29,353,119.60 and 5,918,007.20

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Solution

The fourth proportional to 19,565,981.60, 29,353,119.60 and 5,918,007.20 is: 8,878,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565,981.60 : 29,353,119.60 = 5,918,007.20 : x
  2. Step 2: Convert to fraction form
    19,565,981.60/29,353,119.60 = 5,918,007.20/x
  3. Step 3: Cross multiply
    19,565,981.60x = 29,353,119.60 × 5,918,007.20
  4. Step 4: Simplify right side
    19,565,981.60x = 173,711,973,135,261.12
  5. Step 5: Solve for x
    x = 173,711,973,135,261.12/19,565,981.60
  6. Step 6: Final answer
    x = 8,878,265.18

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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.