Home / 7,128,313.04-10,692,969.08-2,868,501.20

Finding the Fourth Proportional to 7,128,313.04, 10,692,969.08 and 2,868,501.20

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Solution

The fourth proportional to 7,128,313.04, 10,692,969.08 and 2,868,501.20 is: 4,302,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,313.04 : 10,692,969.08 = 2,868,501.20 : x
  2. Step 2: Convert to fraction form
    7,128,313.04/10,692,969.08 = 2,868,501.20/x
  3. Step 3: Cross multiply
    7,128,313.04x = 10,692,969.08 × 2,868,501.20
  4. Step 4: Simplify right side
    7,128,313.04x = 30,672,794,637,542.90
  5. Step 5: Solve for x
    x = 30,672,794,637,542.90/7,128,313.04
  6. Step 6: Final answer
    x = 4,302,952.81

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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.