Home / 16,639,988.71-22,961,877.06-9,197,337.93

Finding the Fourth Proportional to 16,639,988.71, 22,961,877.06 and 9,197,337.93

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Solution

The fourth proportional to 16,639,988.71, 22,961,877.06 and 9,197,337.93 is: 12,691,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639,988.71 : 22,961,877.06 = 9,197,337.93 : x
  2. Step 2: Convert to fraction form
    16,639,988.71/22,961,877.06 = 9,197,337.93/x
  3. Step 3: Cross multiply
    16,639,988.71x = 22,961,877.06 × 9,197,337.93
  4. Step 4: Simplify right side
    16,639,988.71x = 211,188,142,905,478.41
  5. Step 5: Solve for x
    x = 211,188,142,905,478.41/16,639,988.71
  6. Step 6: Final answer
    x = 12,691,603.74

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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.