Home / 16,913,862.47-23,329,070.21-15,522,905.86

Finding the Fourth Proportional to 16,913,862.47, 23,329,070.21 and 15,522,905.86

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Solution

The fourth proportional to 16,913,862.47, 23,329,070.21 and 15,522,905.86 is: 21,410,541.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913,862.47 : 23,329,070.21 = 15,522,905.86 : x
  2. Step 2: Convert to fraction form
    16,913,862.47/23,329,070.21 = 15,522,905.86/x
  3. Step 3: Cross multiply
    16,913,862.47x = 23,329,070.21 × 15,522,905.86
  4. Step 4: Simplify right side
    16,913,862.47x = 362,134,960,782,871
  5. Step 5: Solve for x
    x = 362,134,960,782,871/16,913,862.47
  6. Step 6: Final answer
    x = 21,410,541.88

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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.