Home / 51,430,191.64-77,145,719.94-13,091,712.28

Finding the Fourth Proportional to 51,430,191.64, 77,145,719.94 and 13,091,712.28

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Solution

The fourth proportional to 51,430,191.64, 77,145,719.94 and 13,091,712.28 is: 19,637,678.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,430,191.64 : 77,145,719.94 = 13,091,712.28 : x
  2. Step 2: Convert to fraction form
    51,430,191.64/77,145,719.94 = 13,091,712.28/x
  3. Step 3: Cross multiply
    51,430,191.64x = 77,145,719.94 × 13,091,712.28
  4. Step 4: Simplify right side
    51,430,191.64x = 1,009,969,569,087,938.75
  5. Step 5: Solve for x
    x = 1,009,969,569,087,938.75/51,430,191.64
  6. Step 6: Final answer
    x = 19,637,678.51

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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.