Home / 13,506,340.32-18,640,523.52-7,703,789.76

Finding the Fourth Proportional to 13,506,340.32, 18,640,523.52 and 7,703,789.76

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Solution

The fourth proportional to 13,506,340.32, 18,640,523.52 and 7,703,789.76 is: 10,632,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,340.32 : 18,640,523.52 = 7,703,789.76 : x
  2. Step 2: Convert to fraction form
    13,506,340.32/18,640,523.52 = 7,703,789.76/x
  3. Step 3: Cross multiply
    13,506,340.32x = 18,640,523.52 × 7,703,789.76
  4. Step 4: Simplify right side
    13,506,340.32x = 143,602,674,214,415.16
  5. Step 5: Solve for x
    x = 143,602,674,214,415.16/13,506,340.32
  6. Step 6: Final answer
    x = 10,632,241.66

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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.