Home / 13,087,939.32-18,064,539-7,580,426.76

Finding the Fourth Proportional to 13,087,939.32, 18,064,539 and 7,580,426.76

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Solution

The fourth proportional to 13,087,939.32, 18,064,539 and 7,580,426.76 is: 10,462,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,939.32 : 18,064,539 = 7,580,426.76 : x
  2. Step 2: Convert to fraction form
    13,087,939.32/18,064,539 = 7,580,426.76/x
  3. Step 3: Cross multiply
    13,087,939.32x = 18,064,539 × 7,580,426.76
  4. Step 4: Simplify right side
    13,087,939.32x = 136,936,914,842,663.64
  5. Step 5: Solve for x
    x = 136,936,914,842,663.64/13,087,939.32
  6. Step 6: Final answer
    x = 10,462,832.34

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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.