Home / 13,157,141.28-19,697,227.54-7,675,475

Finding the Fourth Proportional to 13,157,141.28, 19,697,227.54 and 7,675,475

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Solution

The fourth proportional to 13,157,141.28, 19,697,227.54 and 7,675,475 is: 11,490,761.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,141.28 : 19,697,227.54 = 7,675,475 : x
  2. Step 2: Convert to fraction form
    13,157,141.28/19,697,227.54 = 7,675,475/x
  3. Step 3: Cross multiply
    13,157,141.28x = 19,697,227.54 × 7,675,475
  4. Step 4: Simplify right side
    13,157,141.28x = 151,185,577,552,581.50
  5. Step 5: Solve for x
    x = 151,185,577,552,581.50/13,157,141.28
  6. Step 6: Final answer
    x = 11,490,761.89

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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.