Home / 52,285,963.42-78,426,106.88-15,891,516.21

Finding the Fourth Proportional to 52,285,963.42, 78,426,106.88 and 15,891,516.21

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Solution

The fourth proportional to 52,285,963.42, 78,426,106.88 and 15,891,516.21 is: 23,836,411.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285,963.42 : 78,426,106.88 = 15,891,516.21 : x
  2. Step 2: Convert to fraction form
    52,285,963.42/78,426,106.88 = 15,891,516.21/x
  3. Step 3: Cross multiply
    52,285,963.42x = 78,426,106.88 × 15,891,516.21
  4. Step 4: Simplify right side
    52,285,963.42x = 1,246,309,748,691,255
  5. Step 5: Solve for x
    x = 1,246,309,748,691,255/52,285,963.42
  6. Step 6: Final answer
    x = 23,836,411.67

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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.