Home / 13,087,942.32-18,064,543.14-7,580,429.76

Finding the Fourth Proportional to 13,087,942.32, 18,064,543.14 and 7,580,429.76

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Solution

The fourth proportional to 13,087,942.32, 18,064,543.14 and 7,580,429.76 is: 10,462,836.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087,942.32 : 18,064,543.14 = 7,580,429.76 : x
  2. Step 2: Convert to fraction form
    13,087,942.32/18,064,543.14 = 7,580,429.76/x
  3. Step 3: Cross multiply
    13,087,942.32x = 18,064,543.14 × 7,580,429.76
  4. Step 4: Simplify right side
    13,087,942.32x = 136,937,000,419,259.84
  5. Step 5: Solve for x
    x = 136,937,000,419,259.84/13,087,942.32
  6. Step 6: Final answer
    x = 10,462,836.48

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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.