Home / 12,658,095.16-17,468,254.80-6,856,876.72

Finding the Fourth Proportional to 12,658,095.16, 17,468,254.80 and 6,856,876.72

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Solution

The fourth proportional to 12,658,095.16, 17,468,254.80 and 6,856,876.72 is: 9,462,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,658,095.16 : 17,468,254.80 = 6,856,876.72 : x
  2. Step 2: Convert to fraction form
    12,658,095.16/17,468,254.80 = 6,856,876.72/x
  3. Step 3: Cross multiply
    12,658,095.16x = 17,468,254.80 × 6,856,876.72
  4. Step 4: Simplify right side
    12,658,095.16x = 119,777,669,677,148.25
  5. Step 5: Solve for x
    x = 119,777,669,677,148.25/12,658,095.16
  6. Step 6: Final answer
    x = 9,462,535.09

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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.