Home / 51,475,583.07-77,213,312.61-13,137,101.28

Finding the Fourth Proportional to 51,475,583.07, 77,213,312.61 and 13,137,101.28

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Solution

The fourth proportional to 51,475,583.07, 77,213,312.61 and 13,137,101.28 is: 19,705,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,475,583.07 : 77,213,312.61 = 13,137,101.28 : x
  2. Step 2: Convert to fraction form
    51,475,583.07/77,213,312.61 = 13,137,101.28/x
  3. Step 3: Cross multiply
    51,475,583.07x = 77,213,312.61 × 13,137,101.28
  4. Step 4: Simplify right side
    51,475,583.07x = 1,014,359,107,921,871.12
  5. Step 5: Solve for x
    x = 1,014,359,107,921,871.12/51,475,583.07
  6. Step 6: Final answer
    x = 19,705,636.10

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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.