Home / 12,916,420.16-17,826,060-7,115,796.32

Finding the Fourth Proportional to 12,916,420.16, 17,826,060 and 7,115,796.32

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Solution

The fourth proportional to 12,916,420.16, 17,826,060 and 7,115,796.32 is: 9,820,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,916,420.16 : 17,826,060 = 7,115,796.32 : x
  2. Step 2: Convert to fraction form
    12,916,420.16/17,826,060 = 7,115,796.32/x
  3. Step 3: Cross multiply
    12,916,420.16x = 17,826,060 × 7,115,796.32
  4. Step 4: Simplify right side
    12,916,420.16x = 126,846,612,148,099.20
  5. Step 5: Solve for x
    x = 126,846,612,148,099.20/12,916,420.16
  6. Step 6: Final answer
    x = 9,820,570.30

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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.