Home / 47,968,667.55-71,953,013.75-13,430,157.80

Finding the Fourth Proportional to 47,968,667.55, 71,953,013.75 and 13,430,157.80

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Solution

The fourth proportional to 47,968,667.55, 71,953,013.75 and 13,430,157.80 is: 20,145,240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968,667.55 : 71,953,013.75 = 13,430,157.80 : x
  2. Step 2: Convert to fraction form
    47,968,667.55/71,953,013.75 = 13,430,157.80/x
  3. Step 3: Cross multiply
    47,968,667.55x = 71,953,013.75 × 13,430,157.80
  4. Step 4: Simplify right side
    47,968,667.55x = 966,340,328,421,154
  5. Step 5: Solve for x
    x = 966,340,328,421,154/47,968,667.55
  6. Step 6: Final answer
    x = 20,145,240.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.