Home / 14,361,121.18-19,818,411.51-7,834,730.86

Finding the Fourth Proportional to 14,361,121.18, 19,818,411.51 and 7,834,730.86

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Solution

The fourth proportional to 14,361,121.18, 19,818,411.51 and 7,834,730.86 is: 10,811,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361,121.18 : 19,818,411.51 = 7,834,730.86 : x
  2. Step 2: Convert to fraction form
    14,361,121.18/19,818,411.51 = 7,834,730.86/x
  3. Step 3: Cross multiply
    14,361,121.18x = 19,818,411.51 × 7,834,730.86
  4. Step 4: Simplify right side
    14,361,121.18x = 155,271,920,253,576.22
  5. Step 5: Solve for x
    x = 155,271,920,253,576.22/14,361,121.18
  6. Step 6: Final answer
    x = 10,811,963.66

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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.