Home / 13,627,359.30-18,802,521.29-7,746,528.76

Finding the Fourth Proportional to 13,627,359.30, 18,802,521.29 and 7,746,528.76

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Solution

The fourth proportional to 13,627,359.30, 18,802,521.29 and 7,746,528.76 is: 10,688,370.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627,359.30 : 18,802,521.29 = 7,746,528.76 : x
  2. Step 2: Convert to fraction form
    13,627,359.30/18,802,521.29 = 7,746,528.76/x
  3. Step 3: Cross multiply
    13,627,359.30x = 18,802,521.29 × 7,746,528.76
  4. Step 4: Simplify right side
    13,627,359.30x = 145,654,271,905,857.34
  5. Step 5: Solve for x
    x = 145,654,271,905,857.34/13,627,359.30
  6. Step 6: Final answer
    x = 10,688,370.99

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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.