Home / 12,043,140.51-16,606,971.32-7,147,416.74

Finding the Fourth Proportional to 12,043,140.51, 16,606,971.32 and 7,147,416.74

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Solution

The fourth proportional to 12,043,140.51, 16,606,971.32 and 7,147,416.74 is: 9,855,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,140.51 : 16,606,971.32 = 7,147,416.74 : x
  2. Step 2: Convert to fraction form
    12,043,140.51/16,606,971.32 = 7,147,416.74/x
  3. Step 3: Cross multiply
    12,043,140.51x = 16,606,971.32 × 7,147,416.74
  4. Step 4: Simplify right side
    12,043,140.51x = 118,696,944,819,048.23
  5. Step 5: Solve for x
    x = 118,696,944,819,048.23/12,043,140.51
  6. Step 6: Final answer
    x = 9,855,979.40

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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.