Home / 12,997,603.71-17,937,253.66-7,196,385.53

Finding the Fourth Proportional to 12,997,603.71, 17,937,253.66 and 7,196,385.53

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Solution

The fourth proportional to 12,997,603.71, 17,937,253.66 and 7,196,385.53 is: 9,931,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,997,603.71 : 17,937,253.66 = 7,196,385.53 : x
  2. Step 2: Convert to fraction form
    12,997,603.71/17,937,253.66 = 7,196,385.53/x
  3. Step 3: Cross multiply
    12,997,603.71x = 17,937,253.66 × 7,196,385.53
  4. Step 4: Simplify right side
    12,997,603.71x = 129,083,392,597,077.28
  5. Step 5: Solve for x
    x = 129,083,392,597,077.28/12,997,603.71
  6. Step 6: Final answer
    x = 9,931,322.38

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1.5x scale

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.