Home / 51,430,241.61-77,145,795.09-13,091,762.25

Finding the Fourth Proportional to 51,430,241.61, 77,145,795.09 and 13,091,762.25

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Solution

The fourth proportional to 51,430,241.61, 77,145,795.09 and 13,091,762.25 is: 19,637,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430,241.61 : 77,145,795.09 = 13,091,762.25 : x
  2. Step 2: Convert to fraction form
    51,430,241.61/77,145,795.09 = 13,091,762.25/x
  3. Step 3: Cross multiply
    51,430,241.61x = 77,145,795.09 × 13,091,762.25
  4. Step 4: Simplify right side
    51,430,241.61x = 1,009,974,407,905,497.38
  5. Step 5: Solve for x
    x = 1,009,974,407,905,497.38/51,430,241.61
  6. Step 6: Final answer
    x = 19,637,753.51

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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.