Home / 13,308,606.84-18,365,736.68-7,509,275.76

Finding the Fourth Proportional to 13,308,606.84, 18,365,736.68 and 7,509,275.76

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Solution

The fourth proportional to 13,308,606.84, 18,365,736.68 and 7,509,275.76 is: 10,362,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,606.84 : 18,365,736.68 = 7,509,275.76 : x
  2. Step 2: Convert to fraction form
    13,308,606.84/18,365,736.68 = 7,509,275.76/x
  3. Step 3: Cross multiply
    13,308,606.84x = 18,365,736.68 × 7,509,275.76
  4. Step 4: Simplify right side
    13,308,606.84x = 137,913,381,265,666.88
  5. Step 5: Solve for x
    x = 137,913,381,265,666.88/13,308,606.84
  6. Step 6: Final answer
    x = 10,362,721.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.