Home / 51,528,171.84-77,290,486.08-13,190,017.92

Finding the Fourth Proportional to 51,528,171.84, 77,290,486.08 and 13,190,017.92

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Solution

The fourth proportional to 51,528,171.84, 77,290,486.08 and 13,190,017.92 is: 19,784,573.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528,171.84 : 77,290,486.08 = 13,190,017.92 : x
  2. Step 2: Convert to fraction form
    51,528,171.84/77,290,486.08 = 13,190,017.92/x
  3. Step 3: Cross multiply
    51,528,171.84x = 77,290,486.08 × 13,190,017.92
  4. Step 4: Simplify right side
    51,528,171.84x = 1,019,462,896,440,710.50
  5. Step 5: Solve for x
    x = 1,019,462,896,440,710.50/51,528,171.84
  6. Step 6: Final answer
    x = 19,784,573.37

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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.