Home / 13,366,530.72-18,445,847.76-7,254,959.04

Finding the Fourth Proportional to 13,366,530.72, 18,445,847.76 and 7,254,959.04

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Solution

The fourth proportional to 13,366,530.72, 18,445,847.76 and 7,254,959.04 is: 10,011,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,530.72 : 18,445,847.76 = 7,254,959.04 : x
  2. Step 2: Convert to fraction form
    13,366,530.72/18,445,847.76 = 7,254,959.04/x
  3. Step 3: Cross multiply
    13,366,530.72x = 18,445,847.76 × 7,254,959.04
  4. Step 4: Simplify right side
    13,366,530.72x = 133,823,869,956,875.77
  5. Step 5: Solve for x
    x = 133,823,869,956,875.77/13,366,530.72
  6. Step 6: Final answer
    x = 10,011,862.67

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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.