Home / 12,997,604.71-17,937,255.04-7,196,386.53

Finding the Fourth Proportional to 12,997,604.71, 17,937,255.04 and 7,196,386.53

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Solution

The fourth proportional to 12,997,604.71, 17,937,255.04 and 7,196,386.53 is: 9,931,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,604.71 : 17,937,255.04 = 7,196,386.53 : x
  2. Step 2: Convert to fraction form
    12,997,604.71/17,937,255.04 = 7,196,386.53/x
  3. Step 3: Cross multiply
    12,997,604.71x = 17,937,255.04 × 7,196,386.53
  4. Step 4: Simplify right side
    12,997,604.71x = 129,083,420,465,344.34
  5. Step 5: Solve for x
    x = 129,083,420,465,344.34/12,997,604.71
  6. Step 6: Final answer
    x = 9,931,323.76

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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.