Home / 12,369,372.39-17,069,155.56-6,862,688.64

Finding the Fourth Proportional to 12,369,372.39, 17,069,155.56 and 6,862,688.64

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Solution

The fourth proportional to 12,369,372.39, 17,069,155.56 and 6,862,688.64 is: 9,470,189.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369,372.39 : 17,069,155.56 = 6,862,688.64 : x
  2. Step 2: Convert to fraction form
    12,369,372.39/17,069,155.56 = 6,862,688.64/x
  3. Step 3: Cross multiply
    12,369,372.39x = 17,069,155.56 × 6,862,688.64
  4. Step 4: Simplify right side
    12,369,372.39x = 117,140,299,956,004.83
  5. Step 5: Solve for x
    x = 117,140,299,956,004.83/12,369,372.39
  6. Step 6: Final answer
    x = 9,470,189.45

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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.