Home / 23,130,930.51-31,920,871.64-12,817,825.83

Finding the Fourth Proportional to 23,130,930.51, 31,920,871.64 and 12,817,825.83

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Solution

The fourth proportional to 23,130,930.51, 31,920,871.64 and 12,817,825.83 is: 17,688,703.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130,930.51 : 31,920,871.64 = 12,817,825.83 : x
  2. Step 2: Convert to fraction form
    23,130,930.51/31,920,871.64 = 12,817,825.83/x
  3. Step 3: Cross multiply
    23,130,930.51x = 31,920,871.64 × 12,817,825.83
  4. Step 4: Simplify right side
    23,130,930.51x = 409,156,172,959,217.38
  5. Step 5: Solve for x
    x = 409,156,172,959,217.38/23,130,930.51
  6. Step 6: Final answer
    x = 17,688,703.56

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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.