Home / 17,212,681.58-23,754,023.15-9,478,000.89

Finding the Fourth Proportional to 17,212,681.58, 23,754,023.15 and 9,478,000.89

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Solution

The fourth proportional to 17,212,681.58, 23,754,023.15 and 9,478,000.89 is: 13,079,928.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,212,681.58 : 23,754,023.15 = 9,478,000.89 : x
  2. Step 2: Convert to fraction form
    17,212,681.58/23,754,023.15 = 9,478,000.89/x
  3. Step 3: Cross multiply
    17,212,681.58x = 23,754,023.15 × 9,478,000.89
  4. Step 4: Simplify right side
    17,212,681.58x = 225,140,652,509,390.59
  5. Step 5: Solve for x
    x = 225,140,652,509,390.59/17,212,681.58
  6. Step 6: Final answer
    x = 13,079,928.98

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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.