Home / 13,507,082.57-18,639,752.54-7,312,127.60

Finding the Fourth Proportional to 13,507,082.57, 18,639,752.54 and 7,312,127.60

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Solution

The fourth proportional to 13,507,082.57, 18,639,752.54 and 7,312,127.60 is: 10,090,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507,082.57 : 18,639,752.54 = 7,312,127.60 : x
  2. Step 2: Convert to fraction form
    13,507,082.57/18,639,752.54 = 7,312,127.60/x
  3. Step 3: Cross multiply
    13,507,082.57x = 18,639,752.54 × 7,312,127.60
  4. Step 4: Simplify right side
    13,507,082.57x = 136,296,249,014,942.84
  5. Step 5: Solve for x
    x = 136,296,249,014,942.84/13,507,082.57
  6. Step 6: Final answer
    x = 10,090,724.50

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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.