Home / 19,166,019.60-28,756,902.60-7,041,291.60

Finding the Fourth Proportional to 19,166,019.60, 28,756,902.60 and 7,041,291.60

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Solution

The fourth proportional to 19,166,019.60, 28,756,902.60 and 7,041,291.60 is: 10,564,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166,019.60 : 28,756,902.60 = 7,041,291.60 : x
  2. Step 2: Convert to fraction form
    19,166,019.60/28,756,902.60 = 7,041,291.60/x
  3. Step 3: Cross multiply
    19,166,019.60x = 28,756,902.60 × 7,041,291.60
  4. Step 4: Simplify right side
    19,166,019.60x = 202,485,736,719,398.16
  5. Step 5: Solve for x
    x = 202,485,736,719,398.16/19,166,019.60
  6. Step 6: Final answer
    x = 10,564,829.89

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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.