Home / 8,806,720.42-12,148,112.76-5,538,350.98

Finding the Fourth Proportional to 8,806,720.42, 12,148,112.76 and 5,538,350.98

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Solution

The fourth proportional to 8,806,720.42, 12,148,112.76 and 5,538,350.98 is: 7,639,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,720.42 : 12,148,112.76 = 5,538,350.98 : x
  2. Step 2: Convert to fraction form
    8,806,720.42/12,148,112.76 = 5,538,350.98/x
  3. Step 3: Cross multiply
    8,806,720.42x = 12,148,112.76 × 5,538,350.98
  4. Step 4: Simplify right side
    8,806,720.42x = 67,280,512,209,496.51
  5. Step 5: Solve for x
    x = 67,280,512,209,496.51/8,806,720.42
  6. Step 6: Final answer
    x = 7,639,678.45

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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.